Metronidazole (Flagyl) is an oral antibiotic for adults and children. It's used to treat certain bacterial and parasitic infections, including bacterial vaginosis (a type of vaginal bacteria infection) and trichomoniasis (a sexually transmitted infection, or STI). Metronidazole (Flagyl) is taken by mouth, typically 3 times a day. Some common side effects of this medication include diarrhea. Description Metronidazole is used to treat bacterial infections in different areas of the body. It is also used to treat infections caused by protozoa (eg, trichomoniasis and amebiasis) and infections caused by bacteria that do not need oxygen to survive. The extended-release tablets are used to treat women with vaginal infections (bacterial vaginosis). Metronidazole belongs to the class of. Flagyl is used to treat bacterial infections of the vagina, stomach, skin and joints. Learn about side effects, interactions and indications. Flagyl 400 Tablet is used in the treatment of Bacterial infections, Parasitic infections. Find Flagyl 400 Tablet uses, composition, side-effects, price, substitutes, drug interactions, precautions, warnings, and expert advice. Find patient medical information for Metronidazole (Flagyl, Likmez) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Flagyl (Metronidazole) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Metronidazole is a nitroimidazole antimicrobial that kills anaerobic bacteria and parasites via DNA-damaging free radicals. It treats trichomoniasis, amebiasis, and serious anaerobic infections, and prevents post-colorectal-surgery infection. Learn about side effects, interactions, and indications. Medscape - Amebiasis-specific dosing for Flagyl, Flagyl ER (metronidazole), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. Metronidazole, sold under the brand name Flagyl and Metrogyl among others, is an antibiotic and antiprotozoal medication. [10] It is used either alone or with other antibiotics to treat pelvic inflammatory disease, endocarditis, and bacterial vaginosis. [10] It is effective for dracunculiasis, giardiasis, trichomoniasis, and amebiasis. [10] Flagyl (metronidazole) uses, dosage, side effects & the alcohol truth. 2026 expert guide. Everything your doctor didn't explain — before your first dose.