Tretinoin (Retin-A, Atralin, Avita) is a moderately priced drug used to treat acne and other skin conditions when applied topically. Retin-a is a retinoid, which works by work by helping the skin heal and develop normally. The most common for of Retin-A is a 45g tube of cream. 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. With the Patient Assistance Program from Bausch Health, receive your prescription at no charge if you are eligible.