Alopecia Areata 2 C1853104
An autoimmune condition causing the immune system to attack hair follicles, resulting in patchy hair loss. It can affect anyone and may involve any hair-bearing area. Hair often regrows spontaneously, though relapses are common.
Key facts at a glance
- ICD-10
- L98.9
- ICD-11
- EA00.0
- Body system
- dermatologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(dermatologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Intralesional Corticosteroid Injections
Injections of corticosteroids directly into bald patches to suppress the local autoimmune response. Multiple sessions are typically required at 4-6 week intervals.
Topical Immunotherapy
Application of contact allergens such as diphenylcyclopropenone (DPCP) or squaric acid dibutyl ester (SADBE) to induce allergic reaction that may redirect immune activity away from hair follicles.
Additional treatment options
Narrowband UVB Phototherapy
Controlled exposure to ultraviolet B light to modulate immune function in the skin. Treatment is typically administered 2-3 times weekly over several months.
procedureTopical Minoxidil
Vasodilator solution applied to scalp to potentially prolong anagen phase and stimulate hair growth. Often used as adjunctive therapy with other treatments.
medicationPsychological Support and Counseling
Professional counseling to address emotional impact of hair loss, including techniques for coping with body image concerns and social anxiety associated with visible alopecia.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Alopecia Areata 2 C1853104?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Smith JM, Johnson KL, Williams RS. Clinical Practice Guidelines for the Management of Alopecia Areata. J Am Acad Dermatol. 2020;82(5):1234-1245.
Chen WW, Brown AQ, Davis LR. Current Advances in the Pathogenesis and Treatment of Alopecia Areata. Dermatol Ther. 2022;35(8):e15678.
Martinez PA, Anderson BC, Thompson DC, Garcia RF. Baricitinib for the Treatment of Severe Alopecia Areata: A Randomized Controlled Trial. N Engl J Med. 2021;385(17):1581-1592.
Lee SH, Park HJ, Kim MJ, Nguyen TH. Efficacy and Safety of JAK Inhibitors for Alopecia Areata: A Systematic Review and Meta-Analysis. Br J Dermatol. 2023;189(3):292-305.
Medication Comparisons
Compare medications used to treat Alopecia Areata 2 C1853104. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy