I have a toothache on a recently crowned tooth. I completeed a round of amoxicillin and there is still some slight residual discomfort. My dentis prescribed clindamycin, which a I understand can cause c.dificile colitis. What are the symptoms and issues with such a problem, how effective is this drug, and what the probability of contracting c.difilice colitis, what's the remedy and what is the probability of the drug's effectiveness on the tooth infection?