Metronidazole is used to treat a variety of infections. It may also
be used to prevent infections after certain types of surgery (e.g.,
bowel surgery). Metronidazole belongs to a class of antibiotics
known as nitroimidazoles. It works by stopping the growth of
bacteria and protozoa.
Metronidazole may cause side effects. Tell your health care
provider if any of these symptoms are severe or do not go away:
vomiting; upset stomach; diarrhea; loss of appetite; dry mouth or
sharp, unpleasant metallic taste; dark or reddish-brown urine;
furry tongue or mouth or tongue irritation; numbness or tingling of
the hands or feet
If you experience any of the following symptoms, call your health
care provider immediately:
rash; itching; stuffy nose; fever; joint pain
Central And Peripheral Nervous System Effects
Encephalopathy and peripheral neuropathy: Cases of encephalopathy
and peripheral neuropathy (including optic neuropathy) have been
reported with metronidazole.
Encephalopathy has been reported in association with cerebellar
toxicity characterized by ataxia, dizziness, and dysarthria. CNS
lesions seen on MRI have been described in reports of
encephalopathy. CNS symptoms are generally reversible within days
to weeks upon discontinuation of metronidazole.
CNS lesions seen on MRI have also been described as reversible.
Peripheral neuropathy, mainly of sensory type has been reported and
is characterized by numbness or paresthesia of an extremity.
Convulsive seizures have been reported in patients treated with
Aseptic meningitis: Cases of aseptic meningitis have been reported
with metronidazole. Symptoms can occur within hours of dose
administration and generally resolve after metronidazole therapy is
The appearance of abnormal neurologic signs and symptoms demands
the prompt evaluation of the benefit/risk ratio of the continuation
Metronidazole Injection is contraindicated in patients with a prior
history of hypersensitivity to metronidazole or other
Store below 25℃. Protect from light. KEEP OUT OF REACH OF CHILDREN.