Clindamycin (Clindagel) is an expensive drug used on the skin to stop the growth of certain bacteria that cause acne. This drug is slightly less popular than comparable drugs. There are currently no generic alternatives to Clindagel. It is not covered by most Medicare and insurance plans, but manufacturer and pharmacy coupons can help offset the cost. Get Clindamycin for as low as $42.29, which is 96% off the average retail price of $1,046.34 for the most common version, by using a GoodRx coupon.