Acitretin is an oral retinoid used primarily to treat severe psoriasis. It works by modulating the growth of skin cells.
Psoriasis: A chronic autoimmune condition that causes rapid skin cell turnover resulting in scaling and inflammation.
Retinoids: A class of compounds derived from Vitamin A used in dermatology to regulate epithelial cell growth.
Teratogenicity: The capability of a drug or substance to cause birth defects.