To reduce the development of drug-resistant bacteria and maintain the effectiveness of Metronidazole tablets and other antibacterial drugs, Metronidazole tablets should be used only to treat or prevent infections that are proven or strongly suspected to be caused by bacteria. INDICATIONS Symptomatic Trichomoniasis. FLAGYL is indicated for the treatment of T. vaginalis infection in females and males when the presence of the trichomonad has been confirmed by appropriate laboratory procedures (wet smears and/or cultures). Drugs Used to Treat Amebiasis. The following list of medications are in some way related to, or used in the treatment of this condition. Metronidazole is used to treat a certain type of vaginal infection (bacterial vaginosis) in women who are not pregnant. Learn about side effects, drug interactions, dosages, warnings, and more. Metronidazole definition, a synthetic antimicrobial substance, C6H9N3O3, used chiefly in the treatment of infections, such as Trichomonas vaginalis and certain anaerobic bacterial infections. See more. Metronidazole, marketed under the brand name Flagyl among others, is an antibiotic and antiprotozoal medication. It is used either alone or with other antibiotics to treat pelvic inflammatory disease, endocarditis, and bacterial vaginosis. It is effective for dracunculiasis, giardiasis, trichomoniasis, and amebiasis. It is an option for a first. Intestinal amebiasis may be mistakenly treated as if it were inflammatory bowel disease (IBD). Accordingly, in all patients with suspected IBD, lower gastrointestinal (GI) endoscopy should be performed before treatment with steroids is initiated. INTRODUCTION. Metronidazole is one of the mainstay drugs for the treatment of anaerobic infections. It is approved by the US Food and Drug Administration for the treatment of anaerobic and protozoal infections. Treatment for uncomplicated cases of amebiasis generally consists of a 10-day course of metronidazole (Flagyl) that you take as a capsule. Your doctor may also prescribe medication to control. Amoebiasis is usually transmitted by the fecal-oral route, but it can also be transmitted indirectly through contact with dirty hands or objects as well as by anal-oral contact.