Tretinoin (Retin-A, Atralin, Avita) is a moderately priced drug used to treat acne and other skin conditions when applied topically. The oral form can treat a specific type of leukemia. It is more popular than comparable drugs. It is available in multiple generic and brand versions. Generic tretinoin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower.

Get Atralin for as low as $550.55, which is 21% off the average retail price of $697.58 for the most common version, by using a GoodRx coupon.