Pegylated interferon-induced eyelid and eyebrow trichomegaly during chronic hepatitis C.

One of the most common skin and hair growth disorders related to interferon therapy is alopecia. Hypertrichosis has also been reported as a rare side-effect of interferon therapy, especially in eyelashes. Herein is reported a case of eyelid and eyebrow trichomegaly in a patient treated with pegylated interferon and ribavirin for chronic hepatitis C associated with porphyria cutanea tarda.