clostridial infection
"Took 500mg 3 times per day for 14 days to treat a c. diff infection. Within the 1st week the side effects kicked in. Horrible taste in my mouth 24/7 then followed by constant nausea, loss of appetite. I was so nauseous by the end that I couldn't get off the couch. Took it with meals, and I haven't had an alcoholic drink in 3 yrs. Chewed gum all the time to deal with the taste. Horrible side effects, but very effective. Was feeling normal again within a few days of starting it."