The normal amount of body hair varies widely among women. When coarse, dark hairs grow where women typically do not grow dark hair, such as the lip, chin, chest, abdomen, or back, the condition is called hirsutism.
Excessive hair growth in women is usually from too much male hormone (androgen). A common cause is polycystic ovarian syndrome (PCOS). In most cases, however, the specific cause is never identified. It tends to run in families. In general, hirsutism is a harmless condition. But many women find it bothersome, even embarrassing.
If hirsutism develops suddenly and is accompanied by other typical male features, such as deepening voice, acne, or increased muscle mass, it may be caused by a more serious disorder. These causes, such as hormone-secreting tumors or cancer, are rare.
Rare causes include:
- Tumor or cancer of the adrenal gland.
- Tumor or cancer of the ovary
- Cushing's syndrome
- Congenital adrenal hyperplasia
- Hyperthecosis
- Medications (testosterone, danazol, anabolic steroids, glucocorticoids, cyclosporine, minoxidil, phenytoin)
There are a variety of ways to remove unwanted hair:
- Bleaching -- lightening hair to make it less noticeable.
- Hair removal -- shaving, plucking, waxing, or chemical depilation.
- Electrolysis -- using electrical current to damage individual hair follicles so they do not grow back. This is expensive and requires multiple treatments.
- Laser hair removal -- using laser to damage individual hair follicles so they do not grow back. This is expensive and requires multiple treatments.
- Weight loss -- in overweight women, weight loss can decrease male hormone levels and reduce hair growth.
Birth control pills and anti-androgen medications can also help reduce hair growth. A doctor must prescribe these medications.
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