Hair loss (alopecia) can affect just your scalp or your entire body, and it can be temporary or permanent. It can be the result of heredity, hormonal changes, medical conditions or a normal part of aging. Anyone can lose hair on their head, but it’s more common in men.
Why does alopecia happen?
What causes alopecia areata? Alopecia areata is an autoimmune disease. This means that your immune system mistakenly attacks a part of your body. When you have alopecia areata, cells in your immune system surround and attack your hair follicles (the part of your body that makes hair).
Can hair grow back from alopecia?
Alopecia areata causes hair loss, usually on the head and face. The disease is different for each person—some people’s hair grows back fully, while it does not in others. There is no cure for alopecia areata, but there are treatments that help hair grow back more quickly.
What does alopecia hair look like?
Hair often looks noticeably different on the edges of bald patches caused by alopecia. These small hairs bordering the hairless spots are referred to as exclamation mark hairs since the hairs taper, thinning as they go down and looking like a classic exclamation mark.
Will alopecia go away?
Thankfully, mild cases of alopecia areata often get better without treatment within a few months to a year. In some cases, patchy baldness may come and go over many months or years. The size of the bald patch or patches and how long they last are quite variable.
How long can alopecia last?
How Long does Hair Loss Last? In half of patients with alopecia areata, individual episodes of hair loss last less than one year, and hair grows back without treatment. These patients may experience recurrent episodes of hair loss that spontaneously regrow or respond quickly to treatments.
What helps alopecia grow back?
Prescription-strength corticosteroids in liquid form can be applied directly to the scalp. This is often an effective treatment for children affected by alopecia areata. Corticosteroid injections into areas of patchy hair loss on the scalp may help revive hair growth within several weeks in people with alopecia areata.
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.
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)