Medicare does not cover: Drugs used to treat anorexia, weight loss, or weight gain. ... Fertility drugs. Drugs used for cosmetic purposes or hair growth. ... Drugs that are only for the relief of cold or cough symptoms. Drugs used to treat erectile dysfunction. More items... Drugs excluded from Part D coverage - Medicare Interactive Medicare Interactive https://www.medicareinteractive.org Medicare Interactive https://www.medicareinteractive.org