Metronidazole is the generic form of the brand name drug Flagyl, which is used to treat bacterial infections of the skin, vagina, stomach, joints, or respiratory tract. Metronidazole side effects. The drug is sometimes used with other medicines to treat stomach ulcers. It is used either alone or with other antibiotics to treat pelvic inflammatory disease, endocarditis, and bacterial vaginosis. Side effects may be more likely in older adults. It is effective for dracunculiasis, giardiasis,.
Metronidazole is an antibiotic, which works by killing bacteria in.