Alopecia Areata Directory
In alopecia areata, the body's immune system attacks the hair follicles. Follow the links below to find WebMD's comprehensive coverage about how alopecia areata is contracted, what it looks like, how to treat it, and much more.
Medical Reference
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Is My Hair Loss Due to Alopecia Areata?
Your hair loss might be due to an autoimmune disorder called alopecia areata. There's no cure, but it can be treated and hair can grow back.
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Alopecia
Alopecia areata is a common hair loss condition that seems to be related to immune system dysfunction. It appears as well-defined circular bald patches on the scalp, and can affect men, women, and children.
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The Basics of Hair Loss
Learn more from WebMD about the various causes of hair loss in men and women.
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The Signs of Hair Loss
Learn more from WebMD about the various symptoms of hair loss in men, women, and children.
Slideshows & Images
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Picture of Alopecia Areata
Alopecia areata, nails. Pitting in organized transverse rows giving the nail a "hammered brass" appearance.
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Picture of Alopecia Areata
Alopecia areata is a type of hair loss that occurs when your immune system mistakenly attacks hair follicles, which is where hair growth begins. The damage to the follicle is usually not permanent.