bacterial infection
"I was prescribed clindamycin for a mouth (not tooth) infection.  I won't know if it worked until I am done with it and the infection stays gone.  The side effects have been a bummer!  Horrible heartburn, fatigue and nausea.  The heartburn is manageable with lots of water and huge bottle of tums.  Kefir has helped too.  I want the infection to buzz off but this stuff is a drag.  I have never had an antibiotic beat me up like this"