Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your family doctor immediately if any of the following side effects was happen
Less common
Numbness, tingling, pain, or weakness in hands or feet
Rare
Convulsions - seizures
Always check with your family doctor as soon as possible if any of the following side effects was happen
Less common
Any vaginal irritation, discharge, or dryness not present before use of this drug; black, tarry stools; blood in urine or stools; clumsiness or unsteadiness; frequent or painful urination; inability to control urine flow; mood or other mental changes; nausea and vomiting; pinpoint red spots on skin; sense of pelvic pressure; skin rash, hives, redness, or itching; sore throat and fever; stomach and back pain - severe; unusual bleeding or bruising
For injection form
Pain, tenderness, redness, or swelling over vein in which the drug is given
More common side effects may occur that usually do not need medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Diarrhea; dizziness or light-headedness; headache; loss of appetite; nausea or vomiting; stomach pain or cramps
Less common or rare
Change in taste sensation; dryness of mouth; unpleasant or sharp metallic taste
In some diseaseds metronidazole may cause dark urine. This is only temporary and will go away when you stop taking this drug.
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.