Common Side Effects:
Check with your doctor if any of the following side effects continue or are bothersome:
- Diarrhea
- dizziness or lightheadedness
- headache
- loss of appetite
- nausea or vomiting
- stomach pain or cramps
Less frequent or rare:
Check with your doctor if any of the following side effects continue or are bothersome:
- change in taste sensation
- dryness of mouth
- unpleasant or sharp metallic taste
Check With Your Doctor:
Less common
- any vaginal irritation, discharge, or dryness not present before use of this medicine
- clumsiness or unsteadiness
- mood or other mental changes
- skin rash, hives, redness, or itching
- sore throat and fever
- stomach and back pain (severe)
For injection form
- Pain, tenderness, redness, or swelling over vein in which the medicine is given
Notify Doctor Immediately:
Less common
- numbness, tingling, pain, or weakness in hands or feet
Rare
- convulsions (seizures)
Other Notes:
Metronidazole (flagyl) may cause dark urine in some patients. This is temporary and will go away when you stop taking this medicine.
Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor. This information is meant only as a guideline - always consult a physician or pharmacist for complete information about prescription medications.
