Get our free Clindamycin hydrochloride coupon and be eligible to receive a discount. You can reduce your Clindamycin hydrochloride cost by up to 75% with our free Clindamycin hydrochloride discount card. Bring it to a participating pharmacy near you to save on your prescription medication.Clindamycin is an antibiotic that fights bacteria in the body. Clindamycin is used to treat serious infections caused by bacteria. Clindamycin may also be used for purposes not listed in this medication guide.