Asked by: Terri Thoensenmedical health skin and dermatology
Does alopecia areata spread?
Last Updated: 22nd January, 2020
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People also ask, how quickly does alopecia spread?
In some cases, patchy baldness may come and go overmanymonths or years. The size of the bald patch or patches andhowlong they last are quite variable. If less than half ofthescalp is affected and no treatment is started, there is aboutan80% chance of full hair regrowth within one year.
Secondly, can you catch alopecia from someone? It is not contagious; you can't catchAAfrom someone who has it. AA can affect men,women,and children. It often appears as well-defined circularbaldpatches on the scalp. Many people will get justoneor two patches, but for some the hair loss canbeextensive.
Just so, what causes alopecia areata to spread?
Causes. The condition occurs when whitebloodcells attack the cells in hair follicles, causing themtoshrink and dramatically slow down hair production. It isunknownprecisely what causes the body's immune system totargethair follicles in this way.
Can you lose all your hair with alopecia areata?
It's rare, but you can lose all the haironyour head (alopecia areata totalis) or entirebody(alopecia areata universalis). Each case ofalopeciaareata is different. Sometimes, hair grows backbutfalls out again later.