Alopecia areata is a skin disorder that causes hair loss, usually in patches, most often on the scalp. Usually, the bald patches appear suddenly and affect only a limited area. The hair grows back within 12 months or less.
Does alopecia happen suddenly?
In the type of patchy hair loss known as alopecia areata, hair loss occurs suddenly and usually starts with one or more circular bald patches that may overlap.
How long does it take for alopecia to happen?
People with alopecia areata typically have smooth, round patches of complete hair loss that develop over a period of a few weeks, followed in most cases by regrowth over several months (picture 1). However, alopecia areata may persist for several years and sometimes hair never regrows.
Can you get alopecia just once?
“Alopecia Areata can and does recur in some people, especially if: your hair loss starts in childhood; it affects more than half of the hair on the scalp; if your eyelashes and your eyebrows are affected too; if you have eczema; or if someone in your family experiences or has had alopecia.” For others, though, they can …
Does stress cause alopecia?
A variety of factors are thought to cause alopecia areata (al-o-PEE-she-uh ar-e-A-tuh), possibly including severe stress. With alopecia areata, the body’s immune system attacks the hair follicles — causing hair loss.
Is alopecia areata permanent?
Because alopecia areata cannot be cured, people who have regrowth can have more hair loss later. Some people have cycles of hair loss and regrowth. If your hair doesn’t regrow on its own, medical treatments may help. There are many treatments for alopecia areata, and scientists are studying new possibilities.
How do I know if my alopecia is permanent?
You Probably Have Traction Alopecia If…
After this point, people with traction alopecia will start to notice early signs of hair loss, including: Short, broken hairs around your forehead. A receding hairline. Patchy hair loss in areas pulled tight by your hairstyle (rather than thinning all over the scalp)