Metronidazole is used to treat bacterial infections of the vagina, stomach or intestines, liver, skin, joints, brain, heart, and respiratory tract. Metrogel (topical metronidazole) is also used to treat rosacea, a skin condition. Vaginal metronidazole gel is also used to treat bacterial infections of the vagina

It can cause agitation, back pain, blindness, dizziness, irritability, lack of co-ordination.

Hypersensitivity to metronidazole or other nitroimidazoles