Hypertrichosis is the general medical term for excessive hair growth anywhere on the body, in either males or females, that is abnormal for the age, sex, or ethnicity of the individual. It differs from hirsutism, which specifically refers to excessive male-pattern hair growth in women (e.g., on the face, chest, back). Hypertrichosis can be congenital (present from birth, often due to genetic mutations) or acquired later in life. Acquired hypertrichosis can be caused by certain medications (like minoxidil, phenytoin, cyclosporine), metabolic disorders (like porphyria), malnutrition, cancer (paraneoplastic syndrome), or hormonal imbalances. The hair in hypertrichosis is often fine and lanugo-like (vellus hair) or terminal, and it is not necessarily androgen-dependent. Management involves treating the underlying cause and cosmetic hair removal.

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Zambia

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