Treatment of amebiasis, giardiasis, trichomoniasis and anaerobic infections.
Dosage varies depending on the type of infection.
Maximum dose is 4 gm per day. Relatively inexpensive, generically available medication. Do not take anything containing alcohol for at least 24 hours after the last dose. May cause an antabuse-like reaction. May cause nausea, vomiting, diarrhea, headache, and an unpleasant metallic taste.