Materiały źródłowe

• #1 Hair Loss: Diagnosis and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2024/0900/hair-loss.html

  More than 80 million people in the United States are affected by hair loss, also known as alopecia. Nonscarring alopecias are categorized as diffuse, patterned, or focal. […] A comprehensive history and physical examination, with targeted laboratory testing, may elucidate malnutrition, autoimmune diseases, and endocrine disease. […] Patients with moderate to severe hair loss are more likely to have accompanying anxiety, depression, and lower work productivity and quality-of-life scores. […] Educating patients about expected hair changes, treatment options, and realistic outcomes can help patients feel that they are being listened to and that their hair loss is being taken seriously.

• #2 Hair Loss: Causes, Treatments and Prevention Options

  https://my.clevelandclinic.org/health/diseases/21753-hair-loss

  When you start to shed more strands and fewer or none grow back the condition is considered alopecia (hair loss). […] In some cases, the cause of hair loss is obvious for example, if you’re losing hair while going through chemotherapy. Other times, your healthcare provider will need to do some detective work to figure out whats causing your hair loss. […] To determine the correct diagnosis, your provider may: Ask about your family history, including if any relatives experienced hair loss and at what age. Look at your medical history. Order blood tests to measure thyroid function and iron levels. Examine your scalp for signs of infection. Take a scalp biopsy to check for skin disease. […] If your hair loss results from medication, hormonal imbalances, thyroid disease or diet, your provider will address the cause. Correcting the underlying problem is often all thats needed to help stop hair loss.

• #3 Hair loss – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/hair-loss/diagnosis-treatment/drc-20372932

  Before making a diagnosis, your doctor will likely give you a physical exam and ask about your diet, your hair care routine, and your medical and family history. You might also have tests, such as the following: […] Blood test. This might help uncover medical conditions that can cause hair loss. […] Pull test. Your doctor gently pulls several dozen hairs to see how many come out. This helps determine the stage of the shedding process. […] Scalp biopsy. Your doctor scrapes samples from the skin or from a few hairs plucked from the scalp to examine the hair roots under a microscope. This can help determine whether an infection is causing hair loss. […] Light microscopy. Your doctor uses a special instrument to examine hairs trimmed at their bases. Microscopy helps uncover possible disorders of the hair shaft.

• #4 Hair loss – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/hair-loss/diagnosis-treatment/drc-20372932

  What kinds of tests do I need? […] What is causing my hair loss? […] Is my hair loss permanent or will it grow back? How long will it take? Will it have a different texture after it grows back? […] Your doctor is likely to ask you a number of questions. Being ready to answer them may reserve time to go over any points you want to spend more time on. Your doctor may ask: When did you first begin experiencing hair loss? […] Has anyone in your immediate family experienced hair loss? […] What medications or supplements do you take regularly? […] What, if anything, seems to improve your hair loss? […] What, if anything, appears to worsen your hair loss?

• #5 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  NYU Langone dermatologists are experienced in recognizing the signs of hair loss, whether the cause is genetic, medical, or environmental. They visually assess the pattern of hair loss to ascertain the type of hair loss and confirm diagnosis by using advanced techniques, including a computerized measurement tool that magnifies the scalps appearance by up to 100 times. […] If your doctor suspects that an underlying medical condition may be the cause of hair loss, a blood test or scalp biopsy may be recommended. All of these diagnostic tests can be conducted in your dermatologists office. […] To determine the cause of hair loss, your dermatologist asks a variety of questions about when hair loss began, what the patterns of hair loss are, what kind of hairstyles you usually wear, whether hair loss runs in your family, and other details about your symptoms.

• #6 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  A dermatologist examines your scalp to check for inflammation, redness, sores, or scarring. The doctor looks closely at your hair to determine how much is being lost, the pattern of the hair loss, and whether there is hair breakage. […] During a pull test, a dermatologist grasps small sections of hair, about 40 strands, from different parts of the scalp and gently tugs. If six or more strands fall out, you have whats known as active hair loss. […] A dermatologist uses a card test to examine the health of hair shafts and to evaluate the number of new hair strands that are growing. […] In certain instances, dermatologists at NYU Langone use trichometric analysis, a sophisticated computerized measurement tool, to analyze characteristics of the scalp and hair. […] A fungal culture is a laboratory test that can confirm the presence of a fungus in hair or scalp cells.

• #7 Hair Loss: Common Causes and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2017/0915/p371.html

  Patients with hair loss will often consult their family physician first. Hair loss is not life threatening, but it is distressing and significantly affects the patient’s quality of life. The pattern of hair loss may be obvious, such as the bald patches that occur in alopecia areata, or more subtle, such as the diffuse hair loss that occurs in telogen effluvium. As with most conditions, the physician should begin the evaluation with a detailed history and physical examination. It is helpful to determine whether the hair loss is nonscarring (also called noncicatricial), which is reversible, or scarring (also called cicatricial), which is permanent. Scarring alopecia is rare and has various etiologies, including autoimmune diseases such as discoid lupus erythematosus. If the follicular orifices are absent, the alopecia is probably scarring; these patients should be referred to a dermatologist. This article will discuss approaches to nonscarring causes of alopecia.

• #8 Hair loss – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/hair-loss/diagnosis-treatment/drc-20372932

  Before making a diagnosis, your doctor will likely give you a physical exam and ask about your diet, your hair care routine, and your medical and family history. You might also have tests, such as the following: […] Blood test. This might help uncover medical conditions that can cause hair loss. […] Pull test. Your doctor gently pulls several dozen hairs to see how many come out. This helps determine the stage of the shedding process. […] Scalp biopsy. Your doctor scrapes samples from the skin or from a few hairs plucked from the scalp to examine the hair roots under a microscope. This can help determine whether an infection is causing hair loss. […] Light microscopy. Your doctor uses a special instrument to examine hairs trimmed at their bases. Microscopy helps uncover possible disorders of the hair shaft.

• #9 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  A dermatologist examines your scalp to check for inflammation, redness, sores, or scarring. The doctor looks closely at your hair to determine how much is being lost, the pattern of the hair loss, and whether there is hair breakage. […] During a pull test, a dermatologist grasps small sections of hair, about 40 strands, from different parts of the scalp and gently tugs. If six or more strands fall out, you have whats known as active hair loss. […] A dermatologist uses a card test to examine the health of hair shafts and to evaluate the number of new hair strands that are growing. […] In certain instances, dermatologists at NYU Langone use trichometric analysis, a sophisticated computerized measurement tool, to analyze characteristics of the scalp and hair. […] A fungal culture is a laboratory test that can confirm the presence of a fungus in hair or scalp cells.

• #10 Frontiers | A Practical Approach to the Diagnosis and Management of Hair Loss in Children and Adolescents

  https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2017.00112/full

  Trichoscopy is increasingly utilized in diagnosis of alopecias as trichoscopic features of common hair and scalp diseases are being recognized and organized. […] Trichoscopy also allows for identification of interfollicular stigmata, such as erythema, edema, pustules, and altered skin pigmentation or atrophy. […] The tug test involves grasping hair between the thumb and forefinger near its root and tugging with the other hand on the same strand at its distal part and is positive if the hair fractures, indicating hair shaft fragility. […] To perform the hair pull test, gently pull a bundle of 20–60 hairs between the thumb and forefinger from multiple locations. […] A positive hair pull test, particularly at the vertex and the scalp margins, is highly suggestive of telogen effluvium.

• #11 Hair loss – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/hair-loss/diagnosis-treatment/drc-20372932

  Before making a diagnosis, your doctor will likely give you a physical exam and ask about your diet, your hair care routine, and your medical and family history. You might also have tests, such as the following: […] Blood test. This might help uncover medical conditions that can cause hair loss. […] Pull test. Your doctor gently pulls several dozen hairs to see how many come out. This helps determine the stage of the shedding process. […] Scalp biopsy. Your doctor scrapes samples from the skin or from a few hairs plucked from the scalp to examine the hair roots under a microscope. This can help determine whether an infection is causing hair loss. […] Light microscopy. Your doctor uses a special instrument to examine hairs trimmed at their bases. Microscopy helps uncover possible disorders of the hair shaft.

• #12 How Dermatologists Diagnose Hair Loss: Methods & Insights

  https://www.hairmdindia.com/blog/how-dermatologists-check-for-hair-loss/

  A card test is performed to determine the health of the hair shafts and know the number of new strands growing. In this test, the dermatologist creates a part in the hair and holds a card covered in felt against the hair section. The colour of the felt should contrast with the hair colour. […] A dermatologist may conduct a trichometric analysis, in which a camera is used to take pictures of the scalp and hair. These pictures are magnified and used for assessing hair coverage, density, and diameter of the hair strands. […] Light Microscopy is another test that a dermatologist may conduct, in order to check for hair loss. In this, an instrument is used to examine the hair trimmed at the base and assess hair shaft disorders. […] A KOH test can also be used to check for hair loss. In this dermatological test, the doctor scrapes samples from the skin and examines hair roots under a microscope. This test is mainly used to check if there is an infection causing hair loss.

• #13 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  NYU Langone dermatologists are experienced in recognizing the signs of hair loss, whether the cause is genetic, medical, or environmental. They visually assess the pattern of hair loss to ascertain the type of hair loss and confirm diagnosis by using advanced techniques, including a computerized measurement tool that magnifies the scalps appearance by up to 100 times. […] If your doctor suspects that an underlying medical condition may be the cause of hair loss, a blood test or scalp biopsy may be recommended. All of these diagnostic tests can be conducted in your dermatologists office. […] To determine the cause of hair loss, your dermatologist asks a variety of questions about when hair loss began, what the patterns of hair loss are, what kind of hairstyles you usually wear, whether hair loss runs in your family, and other details about your symptoms.

• #14 Male and female pattern hair loss: Treatable and worth treating | Cleveland Clinic Journal of Medicine

  https://www.ccjm.org/content/88/3/173

  The hair-pull test, which is useful in detecting active hair loss, is performed by grasping 50 to 60 hairs close to the scalp with the thumb, index, and middle fingers and slowly pulling. If 6 or more hairs come loose, hair loss is likely active. […] Examination of the scalp with a dermatoscope can reveal epidermal and dermal structures undetectable with the naked eye. Dermoscopic findings of diversity in hair diameter, yellow dots (sebaceous glands), perifollicular pigmentation, and lack of scarring are consistent with the diagnosis of male or female pattern hair loss. […] Though generally not required, a scalp biopsy can be helpful when the clinical picture is unclear or coexisting scalp conditions are suspected. […] Thyroid-stimulating hormone and iron studies (including serum ferritin, serum iron, and total iron binding capacity) can be helpful in assessing men and women with pattern hair loss. […] The goal of treatment of pattern hair loss is to promote regrowth of hair to improve scalp coverage and to prevent or slow further hair thinning and loss.

• #15 Frontiers | A Practical Approach to the Diagnosis and Management of Hair Loss in Children and Adolescents

  https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2017.00112/full

  Trichoscopy is increasingly utilized in diagnosis of alopecias as trichoscopic features of common hair and scalp diseases are being recognized and organized. […] Trichoscopy also allows for identification of interfollicular stigmata, such as erythema, edema, pustules, and altered skin pigmentation or atrophy. […] The tug test involves grasping hair between the thumb and forefinger near its root and tugging with the other hand on the same strand at its distal part and is positive if the hair fractures, indicating hair shaft fragility. […] To perform the hair pull test, gently pull a bundle of 20–60 hairs between the thumb and forefinger from multiple locations. […] A positive hair pull test, particularly at the vertex and the scalp margins, is highly suggestive of telogen effluvium.

• #16 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  A dermatologist examines your scalp to check for inflammation, redness, sores, or scarring. The doctor looks closely at your hair to determine how much is being lost, the pattern of the hair loss, and whether there is hair breakage. […] During a pull test, a dermatologist grasps small sections of hair, about 40 strands, from different parts of the scalp and gently tugs. If six or more strands fall out, you have whats known as active hair loss. […] A dermatologist uses a card test to examine the health of hair shafts and to evaluate the number of new hair strands that are growing. […] In certain instances, dermatologists at NYU Langone use trichometric analysis, a sophisticated computerized measurement tool, to analyze characteristics of the scalp and hair. […] A fungal culture is a laboratory test that can confirm the presence of a fungus in hair or scalp cells.

• #17 How Dermatologists Diagnose Hair Loss: Methods & Insights

  https://www.hairmdindia.com/blog/how-dermatologists-check-for-hair-loss/

  A card test is performed to determine the health of the hair shafts and know the number of new strands growing. In this test, the dermatologist creates a part in the hair and holds a card covered in felt against the hair section. The colour of the felt should contrast with the hair colour. […] A dermatologist may conduct a trichometric analysis, in which a camera is used to take pictures of the scalp and hair. These pictures are magnified and used for assessing hair coverage, density, and diameter of the hair strands. […] Light Microscopy is another test that a dermatologist may conduct, in order to check for hair loss. In this, an instrument is used to examine the hair trimmed at the base and assess hair shaft disorders. […] A KOH test can also be used to check for hair loss. In this dermatological test, the doctor scrapes samples from the skin and examines hair roots under a microscope. This test is mainly used to check if there is an infection causing hair loss.

• #18 Hair Loss Diagnosis Unit | Civas&Akpınar Dermatological Assessment

  https://civashairtransplant.com/our-approach/hair-loss-diagnosis-unit/

  Hair Check becomes an invaluable tool in tracking the objective changes in patients experiencing hair loss. […] Dermatoscopic examination involves utilizing a dermatoscope to magnify and assess the intricate details of the hair and scalp. […] Utilizing the precision of an electron microscope for diagnosing hair loss proves to be invaluable for diagnosing structural abnormalities, diseases affecting the hair shaft, congenital hair disorders, and notably, fungal diseases. […] Phototricogram emerges as a valuable diagnostic tool employed to assess hair density, hair thickness, and hair growth dynamics. […] Scalp biopsy is an invaluable diagnostic method based on the pathological examination of a hair-bearing skin biopsy extracted from the affected area. […] Laboratory tests play a crucial role in decoding the complexities of hair loss by assessing the essential markers.

• #19 Testing for Alopecia: Getting an Alopecia Diagnosis

  https://www.health.com/alopecia-diagnosis-6891709

  A scalp biopsy is a minimally invasive procedure that requires local anesthesia. A healthcare provider takes a sample of your scalp tissue (about 4 millimeters) from the edge of your receding hairline. A dermatopathologist (who specializes in diagnosing skin and hair conditions with lab tests) will examine the scalp sample. […] Blood tests are useful for ruling out other diseases or confirming a diagnosis for a specific type of alopecia. These tests can detect the following: […] A diagnosis of alopecia often involves a physical exam and an understanding of your medical history. The physical exam may involve dermoscopy, hair pull, or Wood’s lamp tests. Your medical history can identify potential environmental or hereditary contributors to alopecia. A scalp biopsy or blood test are sometimes needed to make the right diagnosis.

• #20 Male and female pattern hair loss: Treatable and worth treating | Cleveland Clinic Journal of Medicine

  https://www.ccjm.org/content/88/3/173

  The hair-pull test, which is useful in detecting active hair loss, is performed by grasping 50 to 60 hairs close to the scalp with the thumb, index, and middle fingers and slowly pulling. If 6 or more hairs come loose, hair loss is likely active. […] Examination of the scalp with a dermatoscope can reveal epidermal and dermal structures undetectable with the naked eye. Dermoscopic findings of diversity in hair diameter, yellow dots (sebaceous glands), perifollicular pigmentation, and lack of scarring are consistent with the diagnosis of male or female pattern hair loss. […] Though generally not required, a scalp biopsy can be helpful when the clinical picture is unclear or coexisting scalp conditions are suspected. […] Thyroid-stimulating hormone and iron studies (including serum ferritin, serum iron, and total iron binding capacity) can be helpful in assessing men and women with pattern hair loss. […] The goal of treatment of pattern hair loss is to promote regrowth of hair to improve scalp coverage and to prevent or slow further hair thinning and loss.

• #21 Editor’s Pick: Diagnostic Evaluation of Hair Loss: A Narrative Review – European Medical Journal

  https://www.emjreviews.com/dermatology/article/diagnostic-evaluation-of-hair-loss-a-narrative-review/

  To successfully diagnose and treat patients with hair loss, evaluation begins with a thorough history and physical examination. Pertinent history includes evaluation of alopecia onset and duration, as well as a review of the patients medication, infection, and family history. Physical examination should be used to assess the overall hair density, and the pattern and distribution of hair loss. […] In patients who present with new hair loss, it is common for preliminary laboratory tests to be obtained. Laboratory studies, such as complete blood counts, ferritin, thyroid, and vitamin D levels, can aid in understanding the aetiology of alopecia. However, the need for initial laboratory testing in the diagnostic workup of hair loss lacks consensus in the literature. […] Scalp biopsies are the gold standard for diagnosing cicatricial alopecia and can assist in the diagnosis of undifferentiated non-scarring alopecia.

• #22 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  If more information about the hair follicle or scalp is needed to refine a diagnosisfor example, if there are lesions on the scalp that could be caused by more than one form of hair lossyour doctor may perform a scalp biopsy. […] If doctors suspect the hair loss may be due to an underlying medical condition, a vitamin or mineral deficiency, or a hormonal imbalance, they may recommend one or more blood tests. […] Hair loss may be a sign of a thyroid disease such as hyperthyroidism or hypothyroidism. […] A blood test can reveal an elevated androgen level.

• #23 What Are The Tests To Be Done To Diagnose Hair Loss? | Manipal TRUtest

  https://www.manipaltrutest.com/blogs/what-are-the-tests-to-be-done-to-diagnose-hair-loss?srsltid=AfmBOoqD32n3srGygg9nj9gjRYPzhFc5yxM7Yic1dQ1zpsnRPoSR0-xb

  Hair loss is a disorder that can happen to both men and women. […] There are a handful of diagnostic tests which can be done to understand the real reason for the hair fall for women. […] You should do the diagnostic tests in case of hair loss. […] If you are experiencing hair loss, it is important to see a doctor to determine the cause. The doctor will likely perform a physical exam and ask about your medical history. They may also order blood tests or a scalp biopsy to rule out any underlying medical conditions. […] The following tests may be helpful in diagnosing hair loss: Hormone Test For Hair Loss There are several hormones which you can screen in case of having massive hair loss. […] Thyroid Level Test For Hair Loss This is another most important test which you can go for; they are T3, T4, and TSH.

• #24 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  If more information about the hair follicle or scalp is needed to refine a diagnosisfor example, if there are lesions on the scalp that could be caused by more than one form of hair lossyour doctor may perform a scalp biopsy. […] If doctors suspect the hair loss may be due to an underlying medical condition, a vitamin or mineral deficiency, or a hormonal imbalance, they may recommend one or more blood tests. […] Hair loss may be a sign of a thyroid disease such as hyperthyroidism or hypothyroidism. […] A blood test can reveal an elevated androgen level.

• #25 Hair Loss: Diagnosis | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/skin-hair-and-nails/hair-loss/diagnosis.html

  How is hair loss diagnosed? Your doctor will ask you some questions about your hair loss and past health. He or she will also do a physical exam. Your doctor will look closely at your scalp and hair loss pattern. He or she may gently tug on a few hairs or pull some out for tests. […] If the reason for your hair loss isn’t clear, your doctor may do tests to check for a disease that may be causing your hair loss. Tests include: […] Hair loss in women is harder to diagnose than it is in men. That’s because the pattern of hair loss isn’t as noticeable as it is in men. […] Testing to diagnose hair loss usually isn’t done in women with mild to moderate hair thinning who are otherwise healthy. But in women who have irregular menstrual cycles, continued episodes of acne, or too much body hair (hirsutism), testing for a class of hormones called androgens, including testosterone, is sometimes done.

• #26 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  If more information about the hair follicle or scalp is needed to refine a diagnosisfor example, if there are lesions on the scalp that could be caused by more than one form of hair lossyour doctor may perform a scalp biopsy. […] If doctors suspect the hair loss may be due to an underlying medical condition, a vitamin or mineral deficiency, or a hormonal imbalance, they may recommend one or more blood tests. […] Hair loss may be a sign of a thyroid disease such as hyperthyroidism or hypothyroidism. […] A blood test can reveal an elevated androgen level.

• #27 Androgenetic Alopecia Workup: Laboratory Studies, Procedures, Histologic Findings

  https://emedicine.medscape.com/article/1070167-workup

  The most important aspects are the history and the physical examination. In the case of a woman, if virilization is evident, laboratory analysis of dehydroepiandrosterone (DHEA)-sulfate and testosterone may need to be obtained. Some authors have suggested that total testosterone level alone may be adequate to screen for a virilizing tumor. If a thyroid disorder is suspected, obtaining a thyrotropin level is indicated. […] If telogen effluvium is present, laboratory analysis of serum iron levels or a biopsy to note an underlying papulosquamous disorder may be indicated. Telogen effluvium may accelerate the course of pattern alopecia. Iron deficiency is a common and reversible cause of telogen effluvium. A normal CBC count does not exclude iron deficiency as a cause of hair loss. While a low ferritin level is always a sign of iron deficiency, ferritin behaves as an acute phase reactant, and levels may be normal despite iron deficiency. Iron, total iron-binding capacity, and transferrin saturation are inexpensive and sensitive tests for iron deficiency.

• #28 Medical Diagnosis – Hair loss profile

  https://www.medical-diagnosis.co.uk/exam/profiles/health-checks-profiles/hair-loss-profile/

  Ferritin deficiency is one of the most causes of female hair loss problems. Some ferritin is stored in hair follicles, and when your body is low in iron, it can restore it from ferritin stored in your hair, leading to weaker and thinner hair. […] Full blood count and biochemistry this will help you understand how your body works in general and can help diagnose any deficiencies or anemia. You will get an overview of your blood cells activity.

• #29 Top Blood Tests You Should Take for Hair Loss

  https://www.sprintdiagnostics.in/blog/top-blood-tests-you-should-take-for-hair-loss

  Calcium plays a crucial role in numerous bodily functions, one of which is promoting hair growth. […] Insufficient calcium levels can negatively impact your hair follicles, resulting in hair weakening. […] Vitamin D plays a crucial role in hair follicle health and the hair growth cycle. […] Deficiency in this vitamin is linked to hair thinning and loss, as it is vital for the creation of new hair follicles. […] To discover an effective treatment for hair loss, it is crucial to know about root causes. […] By undergoing essential blood tests for hair loss in both females and males, you can uncover potential health problems that may be causing your hair to thin. […] These diagnostic blood tests for hair offer a deep evaluation of various factors, including hormonal imbalances and nutritional deficiencies which impact the health of your hair.

• #30 Top Blood Tests You Should Take for Hair Loss

  https://www.sprintdiagnostics.in/blog/top-blood-tests-you-should-take-for-hair-loss

  Thyroid issues are a major factor in hair loss for men and women. A Thyroid Stimulating Hormone test for hair loss usually involves checking the TSH levels. […] Hair growth cycles can be affected by both Hypothyroidism (low thyroid function) and Hyperthyroidism (excessive thyroid function) which results in hair thinning and hair loss. […] Detecting low ferritin levels early on can help prevent iron deficiency anemia and identify potential causes of hair loss. Maintaining sufficient ferritin levels is essential for promoting healthy hair growth. […] Insufficient levels of Vitamin B12 can cause hair to become thin and fall out. […] Inadequate levels of B12 can negatively impact the health and growth of your hair. […] By testing your Vitamin B12 levels, you can determine whether supplementation or dietary adjustments are necessary to promote healthy hair.

• #31 Blood Tests For Hair Loss – Alopecia Blood Tests

  https://www.privatemdlabs.com/hair-loss-tests?srsltid=AfmBOop5Dl-Y_YpfpUYTsT1BXfiSsUiozAslVSPUKK2ZWMPHmo7F1GOy

  Thyroid disorders are associated with hair loss. […] Elevated stress hormone (cortisol) levels can contribute to hair loss. […] Low ferritin levels may indicate iron deficiency, impacting hair health. […] Assess overall health, including liver function, which can impact hair health. […] Deficiencies in these vitamins can contribute to hair loss. […] Zinc deficiency is linked to hair loss. […] Protein deficiency can impact hair health. […] Helps identify genetic predisposition to male and female pattern baldness. […] Genetic and hormonal factors, particularly the influence of dihydrotestosterone (DHT). […] Inadequate intake or absorption of essential nutrients, such as iron, vitamin D, vitamin B12, and biotin. […] Fluctuations in hormones, including changes in estrogen and progesterone levels in women, and increased DHT levels in men.

• #32 Top Blood Tests You Should Take for Hair Loss

  https://www.sprintdiagnostics.in/blog/top-blood-tests-you-should-take-for-hair-loss

  Calcium plays a crucial role in numerous bodily functions, one of which is promoting hair growth. […] Insufficient calcium levels can negatively impact your hair follicles, resulting in hair weakening. […] Vitamin D plays a crucial role in hair follicle health and the hair growth cycle. […] Deficiency in this vitamin is linked to hair thinning and loss, as it is vital for the creation of new hair follicles. […] To discover an effective treatment for hair loss, it is crucial to know about root causes. […] By undergoing essential blood tests for hair loss in both females and males, you can uncover potential health problems that may be causing your hair to thin. […] These diagnostic blood tests for hair offer a deep evaluation of various factors, including hormonal imbalances and nutritional deficiencies which impact the health of your hair.

• #33 Medical Diagnosis – Hair loss profile

  https://www.medical-diagnosis.co.uk/exam/profiles/health-checks-profiles/hair-loss-profile/

  Ferritin deficiency is one of the most causes of female hair loss problems. Some ferritin is stored in hair follicles, and when your body is low in iron, it can restore it from ferritin stored in your hair, leading to weaker and thinner hair. […] Full blood count and biochemistry this will help you understand how your body works in general and can help diagnose any deficiencies or anemia. You will get an overview of your blood cells activity.

• #34 Blood Tests for Hair Loss, and What They May Indicate

  https://www.healthline.com/health/blood-tests-for-hair-loss

  Doctors use various blood tests for hair loss to identify the cause, including tests for hormone levels, thyroid function, and nutrient deficiencies like iron and vitamin D. […] Sometimes, doctors order blood tests for hair loss to check for underlying problems like hormone imbalances or nutrient deficiencies that may affect hair growth. […] Doctors sometimes use blood tests to determine the underlying cause of hair loss. […] Common blood tests for hair loss include: […] A TSH test helps evaluate thyroid function and determines if thyroid problems contribute to hair loss. […] Tests for sex hormones help doctors diagnose male pattern baldness and hormone-related conditions like polycystic ovary syndrome (PCOS). […] ANA testing helps doctors identify certain types of hair loss, especially if an autoimmune condition might be causing it.

• #35 Androgenetic alopecia – Symptoms, diagnosis and treatment | BMJ Best Practice

  https://bestpractice.bmj.com/topics/en-gb/223

  Androgenetic alopecia, also known as pattern hair loss, is a genetically determined, patterned, progressive loss of hair from the scalp. […] Diagnosis is clinical and is based on recognising the pattern of hair loss. […] Key diagnostic factors include presence of risk factors, family history of baldness, gradual receding of frontal hairline, central, and crown (vertex), and diffuse thinning of the central scalp with preservation of frontotemporal hairline. […] 1st investigations to order include hair-pull test, thyroid function test, and serum ferritin. […] Investigations to consider include FBC with differential, comprehensive metabolic panel, antinuclear antibodies, rapid plasma reagin, free testosterone, serum dehydroepiandrosterone (DHEA)-sulfate, sex hormone-binding globulin, dermatoscopy/trichoscopy, and scalp biopsy.

• #36 Diagnosing Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/diagnosis

  A dermatologist examines your scalp to check for inflammation, redness, sores, or scarring. The doctor looks closely at your hair to determine how much is being lost, the pattern of the hair loss, and whether there is hair breakage. […] During a pull test, a dermatologist grasps small sections of hair, about 40 strands, from different parts of the scalp and gently tugs. If six or more strands fall out, you have whats known as active hair loss. […] A dermatologist uses a card test to examine the health of hair shafts and to evaluate the number of new hair strands that are growing. […] In certain instances, dermatologists at NYU Langone use trichometric analysis, a sophisticated computerized measurement tool, to analyze characteristics of the scalp and hair. […] A fungal culture is a laboratory test that can confirm the presence of a fungus in hair or scalp cells.

• #37 Hair Loss | Tufts Medicine

  https://www.tuftsmedicine.org/services-treatments/dermatology/hair-loss

  It’s normal to shed hair in the shower, or when detangling knots, but when you’re experiencing more hair loss than normal, it’s time to get in touch with our dermatologists. Also known as alopecia, hair loss can stem from hormonal changes, nutritional deficiencies, underlying medical conditions or chemotherapy treatment. […] Hair loss disorders can affect your whole body, with the most common form of hair loss affecting the scalp. Alopecia can fall into the following 2 categories: Non-scarring alopecia: The most common form of hair loss is androgenetic alopecia, or male- and female-pattern hair loss. Because scarring isn’t blocking the hair follicles, you can still regrow your hair. Scarring alopecia: Inflammation causes irreversible damage to the hair follicle, ultimately leading to permanent hair loss.

• #38 Hair Loss | Tufts Medicine

  https://www.tuftsmedicine.org/services-treatments/dermatology/hair-loss

  It’s normal to shed hair in the shower, or when detangling knots, but when you’re experiencing more hair loss than normal, it’s time to get in touch with our dermatologists. Also known as alopecia, hair loss can stem from hormonal changes, nutritional deficiencies, underlying medical conditions or chemotherapy treatment. […] Hair loss disorders can affect your whole body, with the most common form of hair loss affecting the scalp. Alopecia can fall into the following 2 categories: Non-scarring alopecia: The most common form of hair loss is androgenetic alopecia, or male- and female-pattern hair loss. Because scarring isn’t blocking the hair follicles, you can still regrow your hair. Scarring alopecia: Inflammation causes irreversible damage to the hair follicle, ultimately leading to permanent hair loss.

• #39 Hair Loss: Common Causes and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2017/0915/p371.html

  The physical examination should focus on the hair and scalp, but attention should be given to physical signs of any comorbid disease indicated by the review of systems. If only the scalp is involved, the physician should look for typical male or female pattern to determine the presence of androgenetic alopecia. Whole body hair loss is consistent with alopecia totalis. Dry, broken hair suggests trichorrhexis nodosa, whereas scaling, pustules, crusts, erosions, or erythema and local adenopathy suggest infection. […] Because many conditions can cause hair loss, there are no routine tests to evaluate hair loss. Laboratory testing is indicated when the history or physical examination findings suggest an underlying comorbidity. […] Androgenetic alopecia is the most common form of hair loss in men and women and is a normal physiologic variant. It is most prevalent in white men, with 30%, 40%, and 50% experiencing androgenetic alopecia at 30, 40, and 50 years of age, respectively. Although this condition is less common in women, 38% of women older than 70 years may be affected. Many patients with androgenetic alopecia have a family history of this condition.

• #40 Hair Loss: Common Causes and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2017/0915/p371.html

  Hair thinning occurs in a sex-specific pattern. Men typically present with bitemporal thinning, thinning of the frontal and vertex scalp, or complete hair loss with residual hair at the occiput and temporal fringes. Women typically present with diffuse hair thinning of the vertex with sparing of the frontal hairline. Some women experience thinning over the lateral scalp. Common conditions that mimic androgenetic alopecia include thyroid disease, iron deficiency anemia, and malnutrition. […] Treatment is based on patient preference. Topical minoxidil (2% or 5% solution) is approved for the treatment of androgenetic alopecia in men. Hair regrowth is more robust at the vertex than in the frontal area, and will take six to 12 months to improve. Treatment should continue indefinitely because hair loss reoccurs when treatment is discontinued. Minoxidil 2% solution is recommended for the treatment of androgenetic alopecia in women. Adverse effects include irritant and contact dermatitis.

• #41 Hair Loss: Common Causes and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2017/0915/p371.html

  Alopecia areata is an acute, patchy alopecia that affects up to 2% of the population with no difference between sexes. Approximately 20% of affected patients are children. The etiology is unknown, but the pathogenesis is likely autoimmune. Patients may have a single episode, or they may have remission and recurrence. The diagnosis can usually be made clinically. […] Hair loss in alopecia areata occurs in three different patterns: patchy alopecia is circumscribed, oval-shaped, flesh-colored patches on any part of the body; alopecia totalis involves the entire scalp; and alopecia universalis involves the whole body. Evaluation of the scalp may reveal short vellus hairs, yellow or black dots, and broken hair shafts (which are not specific to alopecia areata). Microscopic examination of the hair follicles demonstrates exclamation mark hair (i.e., hairs that are narrower closer to the scalp and mimic an exclamation point). Nail pitting is also associated with alopecia areata.

• #42 Hair loss: Treatment and causes of alopecia areata

  https://www.medicalnewstoday.com/articles/70956

  Alopecia areata is a common autoimmune disorder that often results in unpredictable hair loss. […] In this article, we look at the causes and symptoms of alopecia areata, its diagnosis, and potential treatments. […] There is currently no cure for alopecia areata, although there are some forms of treatment that doctors can suggest to help hair re-grow more quickly. […] Treatment usually involves corticosteroids, powerful anti-inflammatory drugs that can suppress the immune system. […] For adults with severe alopecia areata, the Food and Drug Administration (FDA) has recently approved an oral medication called Janus kinase (JAK) inhibitors. […] Doctors are usually able to diagnose alopecia fairly easily by examining symptoms. […] If, after an initial clinical examination, the doctor is not able to make a diagnosis, they can perform a skin biopsy.

• #43 Hair Loss: Common Causes and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2017/0915/p371.html

  Telogen effluvium is a nonscarring, noninflammatory alopecia of relatively sudden onset, with similar incidences between sexes and age groups. It occurs when large numbers of hairs enter the telogen phase and fall out three to five months after a physiologic or emotional stressor. The list of inciting factors is extensive and includes severe chronic illnesses, pregnancy, surgery, high fever, malnutrition, severe infections, and endocrine disorders. […] Patients with telogen effluvium may have symptoms of an underlying condition, but are often asymptomatic. They often notice clumps of hair coming out in the shower or in their hairbrush. […] Trichotillomania is an impulse-control disorder with a mean age of onset of approximately 13 years. Patients with this condition consciously or unconsciously pull, twist, or twirl their hair. Trichotillomania is reported to affect as much as 4% of the population, with the highest incidence in childhood and adolescence.

• #44 Hair Loss Guide; Self Diagnosis – Dr Davin Lim

  https://drdavinlim.com/hair-loss-guide-self-diagnosis/

  Hair loss in females is harder to diagnose compared to men. In many cases there are two conditions contributing to hair loss. For example, telogen effluvium or chronic TE coupled with patterned baldness. […] Most common conditions include telogen effluvium and or concurrent AGA, especially in females. Your dermatologist will also consider drug induced causes, endocrine (thyroid), chronic TE, diffuse alopecia areata, as well as inflammatory causes. […] Probably alopecia areata. […] If you are female, it is probably Frontal Fibrosing Alopecia or FFA. This is a rare condition however most dermatologists will see one or two cases every few weeks to months. The diagnosis is straightforward in most cases. […] If you tie your hair with super tight braids, chances are you have traction alopecia. This is more common in ethnic women.

• #45 Hair Loss | Tufts Medicine

  https://www.tuftsmedicine.org/services-treatments/dermatology/hair-loss

  It’s normal to shed hair in the shower, or when detangling knots, but when you’re experiencing more hair loss than normal, it’s time to get in touch with our dermatologists. Also known as alopecia, hair loss can stem from hormonal changes, nutritional deficiencies, underlying medical conditions or chemotherapy treatment. […] Hair loss disorders can affect your whole body, with the most common form of hair loss affecting the scalp. Alopecia can fall into the following 2 categories: Non-scarring alopecia: The most common form of hair loss is androgenetic alopecia, or male- and female-pattern hair loss. Because scarring isn’t blocking the hair follicles, you can still regrow your hair. Scarring alopecia: Inflammation causes irreversible damage to the hair follicle, ultimately leading to permanent hair loss.

• #46 Bi-temporal Scalp Hair Loss: Differential Diagnosis of Nonscarring and Scarring Conditions | JCAD – The Journal of Clinical and Aesthetic Dermatology

  https://jcadonline.com/hair-loss-differential-diagnosis-scarring/

  Hair shedding is the main complaint in TE; individuals usually report a high hair density prior to onset. […] To treat telogen effluvium, providers must address the underlying cause. […] FPHL is a nonscarring progressive condition, caused by the miniaturization of hair follicles and the conversion of terminal hairs to vellus hairs. […] Alopecia areata is an autoimmune disorder characterized by temporary, abrupt nonscarring hair loss, which affects two percent of the population at some point in their lifetime. […] Frontal fibrosing alopecia (FFA) is a variant of lichen planopilaris (LPP) characterized by a progressive scarring affecting the frontotemporal hairline. […] Central centrifugal cicatricial alopecia (CCCA) is the most common cause of scarring hair loss in African-American women. […] The main goal when treating CCCA is to halt disease progression. […] Seborrheic dermatitis is a chronic, relapsing skin condition affecting 1 to 3 percent of immunocompetent adults. […] Bi-temporal alopecia is a challenging condition, due to the broad differential diagnosis.

• #47 Bi-temporal Scalp Hair Loss: Differential Diagnosis of Nonscarring and Scarring Conditions | JCAD – The Journal of Clinical and Aesthetic Dermatology

  https://jcadonline.com/hair-loss-differential-diagnosis-scarring/

  Hair shedding is the main complaint in TE; individuals usually report a high hair density prior to onset. […] To treat telogen effluvium, providers must address the underlying cause. […] FPHL is a nonscarring progressive condition, caused by the miniaturization of hair follicles and the conversion of terminal hairs to vellus hairs. […] Alopecia areata is an autoimmune disorder characterized by temporary, abrupt nonscarring hair loss, which affects two percent of the population at some point in their lifetime. […] Frontal fibrosing alopecia (FFA) is a variant of lichen planopilaris (LPP) characterized by a progressive scarring affecting the frontotemporal hairline. […] Central centrifugal cicatricial alopecia (CCCA) is the most common cause of scarring hair loss in African-American women. […] The main goal when treating CCCA is to halt disease progression. […] Seborrheic dermatitis is a chronic, relapsing skin condition affecting 1 to 3 percent of immunocompetent adults. […] Bi-temporal alopecia is a challenging condition, due to the broad differential diagnosis.

• #48 Types of Hair Loss | NYU Langone Health

  https://nyulangone.org/conditions/hair-loss/types

  Hair loss may be linked to a persons genetics, although many medical and behavioral conditions may interrupt the growth cycle and cause hair loss. […] At NYU Langone, dermatologists specialize in hair and scalp disorders and can identify the type of hair loss, as well as its cause. […] Telogen effluvium, a type of hair loss, occurs when large numbers of follicles on the scalp enter the resting phase of the hair growth cycle, called telogen, but the next growth phase doesnt begin. […] This causes hair to fall out all over the scalp without new hair growth. […] Dermatologists treat alopecia areata with medication that may help hair regrow. […] Hair loss caused by folliculitis decalvans, an inflammatory disorder that leads to the destruction of hair follicles, is often accompanied by redness, swelling, and lesions on the scalp that may be itchy or contain pus, known as pustules.

• #49 Understanding Hair Loss Diagnosis – Dr. Pavithra HN

  https://aarnaclinic.com/hair-loss-diagnosis/

  Diagnosis is a multi-step process tailored to identify the underlying cause of your specific hair loss. […] The doctor will visually examine your scalp, looking for: […] While not always necessary, additional tests might be recommended depending on your specific situation. […] By following these steps, your doctor, Dr. Pavithra HN, can accurately diagnose the cause of your hair loss and recommend the most effective treatment plan. […] Early diagnosis is crucial for effective hair loss treatment. […] Delaying diagnosis allows hair loss to progress further, potentially leading to permanent damage to hair follicles and limiting treatment options. […] Early diagnosis allows for a more effective treatment plan, maximizing the chances of slowing down hair loss, promoting regrowth, and achieving the desired results. […] By seeking early diagnosis, you take control of your hair loss journey and set yourself up for a more successful treatment outcome and improved overall well-being.

• #50 Hair loss: Diagnosis and treatment

  https://www.aad.org/public/diseases/hair-loss/treatment/diagnosis-treat

  Dermatologists have expertise in diagnosing hair loss and counseling their patients on what may help them regrow their hair. […] Effective treatment for hair loss begins with finding the cause. To get an accurate diagnosis, it helps to see a board-certified dermatologist. These doctors have in-depth knowledge about the many causes of hair loss and experience treating the diverse causes. […] To pinpoint the cause of your hair loss, a dermatologist begins by gathering information. Your dermatologist will: Ask questions. Its important to know how long youve had hair loss and whether it came on quickly. […] If your dermatologist suspects that the cause of your hair loss could be a disease, vitamin deficiency, hormone imbalance, or infection, you may need a blood test or scalp biopsy. These tests can be done in your dermatologists office.

• #51 Hair loss: Diagnosis and treatment

  https://www.aad.org/public/diseases/hair-loss/treatment/diagnosis-treat

  Once your dermatologist has this information, its often possible to tell you whats causing your hair loss. […] Once your dermatologist finds the cause(s), your dermatologist will tell you whether treatment is recommended. Sometimes, your hair will regrow on its own, making treatment unnecessary. […] While your hair may regrow on its own, your dermatologist may recommend treatment to help it grow more quickly. Sometimes, treatment is essential to prevent further hair loss. […] A treatment plan for hair loss may include one or more of the following. […] While at-home treatments offer convenience, a procedure performed by a board-certified dermatologist tends to be more effective. For this reason, your dermatologist may include one of the following in your treatment plan. […] With an accurate diagnosis, many people who have hair loss can see hair regrowth. If you need treatment for regrowth, the earlier you start, the more likely you are to see regrowth.

• #52 Diagnosis – Eternal Hair

  https://eternalhair.com/hair-loss/diagnosis/

  Remember, early diagnosis is vital in treating hair loss effectively. You can regain your hair and confidence with the right diagnosis and treatment plan. […] One crucial factor to consider when diagnosing hair loss is the distribution of hair loss on the scalp. […] If you are experiencing hair loss, it is crucial to seek the advice of experts such as those at Eternal Hair Esthetics to determine the underlying cause and appropriate treatment options.

• #53 Hair Loss: Diagnosis and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2024/0900/hair-loss.html

  More than 80 million people in the United States are affected by hair loss, also known as alopecia. Nonscarring alopecias are categorized as diffuse, patterned, or focal. […] A comprehensive history and physical examination, with targeted laboratory testing, may elucidate malnutrition, autoimmune diseases, and endocrine disease. […] Patients with moderate to severe hair loss are more likely to have accompanying anxiety, depression, and lower work productivity and quality-of-life scores. […] Educating patients about expected hair changes, treatment options, and realistic outcomes can help patients feel that they are being listened to and that their hair loss is being taken seriously.

• #54 Hair Loss: Diagnosis and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2024/0900/hair-loss.html

  More than 80 million people in the United States are affected by hair loss, also known as alopecia. Nonscarring alopecias are categorized as diffuse, patterned, or focal. […] A comprehensive history and physical examination, with targeted laboratory testing, may elucidate malnutrition, autoimmune diseases, and endocrine disease. […] Patients with moderate to severe hair loss are more likely to have accompanying anxiety, depression, and lower work productivity and quality-of-life scores. […] Educating patients about expected hair changes, treatment options, and realistic outcomes can help patients feel that they are being listened to and that their hair loss is being taken seriously.

• #55 Hair Loss: Diagnosis and Treatment | AAFP

  https://www.aafp.org/pubs/afp/issues/2024/0900/hair-loss.html

  More than 80 million people in the United States are affected by hair loss, also known as alopecia. Nonscarring alopecias are categorized as diffuse, patterned, or focal. […] A comprehensive history and physical examination, with targeted laboratory testing, may elucidate malnutrition, autoimmune diseases, and endocrine disease. […] Patients with moderate to severe hair loss are more likely to have accompanying anxiety, depression, and lower work productivity and quality-of-life scores. […] Educating patients about expected hair changes, treatment options, and realistic outcomes can help patients feel that they are being listened to and that their hair loss is being taken seriously.

• #56 Hair loss

  https://www.nhs.uk/conditions/hair-loss/

  Losing your hair is not usually anything to be worried about, but it can be upsetting. Treatment may help with some types of hair loss. […] Hair loss is not usually anything to be worried about, but occasionally it can be a sign of a medical condition. […] The GP may be able to tell you what’s causing your hair loss by looking at your hair. […] See a GP to get an idea about what’s causing your hair loss before thinking about going to a commercial hair clinic. […] Hair loss caused by a medical condition usually stops or grows back once you’ve recovered. […] No treatment is 100% effective. […] Finasteride and minoxidil are the main treatments for male pattern baldness. […] Minoxidil can also be used to treat female pattern baldness. […] Some wigs are available on the NHS, but you may have to pay unless you qualify for financial help. […] Some of these treatments may not be available on the NHS. […] If your hair loss is causing you distress, your GP may be able to help you get some counselling.

• #57 Hair Loss: Diagnosis | Stanford Health Care

  https://stanfordhealthcare.org/medical-conditions/skin-hair-and-nails/hair-loss/diagnosis.html

  How is hair loss diagnosed? Your doctor will ask you some questions about your hair loss and past health. He or she will also do a physical exam. Your doctor will look closely at your scalp and hair loss pattern. He or she may gently tug on a few hairs or pull some out for tests. […] If the reason for your hair loss isn’t clear, your doctor may do tests to check for a disease that may be causing your hair loss. Tests include: […] Hair loss in women is harder to diagnose than it is in men. That’s because the pattern of hair loss isn’t as noticeable as it is in men. […] Testing to diagnose hair loss usually isn’t done in women with mild to moderate hair thinning who are otherwise healthy. But in women who have irregular menstrual cycles, continued episodes of acne, or too much body hair (hirsutism), testing for a class of hormones called androgens, including testosterone, is sometimes done.

• #58 Hair Loss Guide; Self Diagnosis – Dr Davin Lim

  https://drdavinlim.com/hair-loss-guide-self-diagnosis/

  Hair loss in females is harder to diagnose compared to men. In many cases there are two conditions contributing to hair loss. For example, telogen effluvium or chronic TE coupled with patterned baldness. […] Most common conditions include telogen effluvium and or concurrent AGA, especially in females. Your dermatologist will also consider drug induced causes, endocrine (thyroid), chronic TE, diffuse alopecia areata, as well as inflammatory causes. […] Probably alopecia areata. […] If you are female, it is probably Frontal Fibrosing Alopecia or FFA. This is a rare condition however most dermatologists will see one or two cases every few weeks to months. The diagnosis is straightforward in most cases. […] If you tie your hair with super tight braids, chances are you have traction alopecia. This is more common in ethnic women.

• #59 Recent Advances in Understanding of the Etiopathogenesis, Diagnosis, and Management of Hair Loss Diseases

  https://www.mdpi.com/2077-0383/12/9/3259

  The diagnosis can be challenging due to its mixed phenotypic manifestation. […] The assessment of the severity of hair shedding at a single medical consultation would hardly be possible, as the symptom can be influenced by multiple factors, such as hairstyle and daily haircare. […] Laboratory examinations can sometimes support the diagnosis of hair diseases. […] Trichoscopy is the most prevailing non-invasive diagnostic technique for the diagnosis of hair diseases. […] The efficacy of the JAK inhibitor for moderate-to-severe AA has been supported by the results of several case series, as well as by ongoing international clinical trials. […] The first-generation JAK inhibitors block more than one JAK family member, and the second generation of those specifically affects a single JAK family isoform.

• #60 Hair loss: Diagnosis and treatment

  https://www.aad.org/public/diseases/hair-loss/treatment/diagnosis-treat

  Not every type of hair loss can be treated, but a dermatologist may be able to prevent further hair loss. […] It can take months before you see results from treatment. […] No one treatment works for everyone, even two people with the same type of hair loss. […] Sometimes, hair loss is stubborn and requires trying different treatments before finding one that works.

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