Hirsutism produces enlarged hair follicles, enlargement and increased pigmentation of hair, and typically occurs in a distribution pattern normally seen in adult males.
Excessive facial hair is usually the most troublesome symptom.
Common causes include genetics, endocrine system abnormalities, or medications such as minoxidil, androgenic steroids, or testosterone. Endocrine abnormalities which can result in excessive hair growth include polycystic ovarian syndrome, Cushing's syndrome, congenital adrenal hyperplasia, or precocious puberty.
Signs of masculinization, such as deepening of the voice, excessive facial hair growth, increased muscle mass, decreased breast size, increased size of genitals, and menstrual irregularities, may be associated with this condition.
Risk factors for developing hirsutism include a family history of hirsutism, endocrine disorders, use of androgens (androgenic steroids or testosterone), and older age.
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