Please describe the medication: metronidazole?

Antibiotic: Treats bacterial infections. Belongs to a class of drugs called antibiotics.

An antibiotic: It's an antibiotic used to treat infections such as bacterial vaginosis or a type of std called trichomonas vaginalis.

Also known as Flagyl: This antibiotic treats a group of bacteria that typically grows in oxygen-poor conditions (aka anaerobic bacteria) . It is used to treat conditions such as trichinosis, bacterial vaginosis, giardiasis , abdominal abscesses, and mild c. Difficile associated diarrhea (off-label).