Metronidazole is commonly used to treat the following infections caused by certain bacteria or parasites.
Abdominal infections such as peritonitis
Skin infections
Infections of the female reproductive system, such as bacterial vaginosis, endometritis
Blood infections (septicemia)
Bone and joint infections
Infections of the membranes or tissues of the brain and spinal cord (meningitis)
Lung infections such as pneumonia or empyema
Infections of the heart and heart valves (endocarditis)
Certain sexually transmitted infections
such as trichomoniasis
Intestinal infections such as amebiasisPrevent infections after certain surgery, such as surgery of your large intestines