Clindamycin HydrochlorideSide Effects - XML FEED - Medications.com http://www.medications.com/se/Clindamycin+Hydrochloride Recent side effects for Clindamycin Hydrochloride This was given to me for a periodontal (tooth/gum) infection. I'v Fri, 28 Mar 2008 19:52:47 -0400 http://www.medications.com/effect/view/28646 This was given to me for a periodontal (tooth/gum) infection. I've never taken this antibiotic before. Beside the normal (antibiotic) stomach upset and diarrhea, it was as if I was taking sleeping pills every 6 hours and generally felt like I'd been dragge http://www.medications.com/effect/view/28646