Causes of Alopecia Treatment
There are various causes of hair loss or alopecia. One of the most common causes is androgenetic alopecia, which is also known as male or female pattern baldness. This type of hair loss is hereditary and causes hair loss in a distinctive pattern. In males, hair typically recedes at the temples and thins out on the crown, often resulting in a receding hairline and bald spot. In females, thinning typically begins at the fronto-central scalp and gradually widens out to involve the top of the head.
Another common cause is telogen effluvium, which results from a shift in the hair's growth Alopecia Treatment where more hairs than usual enter the shedding (telogen) phase over a short period of time. Triggers for telogen effluvium include childbirth, crash dieting, sudden weight loss, major surgery, emotional or physical stress and stopping certain medications like birth control pills.
A condition called alopecia areata can also cause patchy hair loss. This is an autoimmune disorder where the body attacks its own hair follicles, resulting in smooth, round bald patches. The bald patches may be limited to certain areas or may involve the whole scalp. In its most severe form, called alopecia totalis, a person loses all hair on their head.
Rarer causes of alopecia include traction alopecia from hairstyles that pull tight on hair, certain medical conditions and treatments like chemotherapy, and fungal or bacterial infections of the scalp.
Medical Treatments for Alopecia Treatment
There are a few FDA-approved medications to treat different causes of hair loss. Minoxidil (Rogaine) is approved to treat androgenetic alopecia. It comes as a topical liquid or foam that's applied directly to the scalp. When used as directed, minoxidil can help regrow hair and reduce further hair loss in some people.
Another treatment option is finasteride (Propecia) which is available as an oral pill for men. Finasteride works by blocking the conversion of testosterone to dihydrotestosterone (DHT), which is a major cause of hereditary hair loss. Some transplant surgeons may also prescribe low-level light therapy devices like the iGrow laser helmet, which may help stimulate hair growth.
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