Widely used as an antibiotic and antiprotozoal medication, it treats a variety of infections caused by anaerobic bacteria and certain parasites. It is commonly prescribed for bacterial vaginosis, trichomoniasis, and amoebiasis. It also plays a key role in treating abdominal infections such as peritonitis and liver abscesses. Frequently included in combination therapies for Helicobacter pylori eradication to manage peptic ulcers. Used in both oral and topical forms, it is effective in managing skin conditions like rosacea when applied as a gel. Commonly used in veterinary medicine for similar indications. Its ability to penetrate tissues and cross the blood-brain barrier makes it valuable in treating central nervous system infections like brain abscesses.