What Are The Most Common Side Effects Of Flagyl?

What Are The Most Common Side Effects Of Flagyl? Dizziness, headache, stomach upset, nausea, vomiting, loss of appetite, diarrhea, constipation, or metallic taste in your mouth may occur. If any of these effects last or get worse, tell your doctor or pharmacist promptly. This medication may cause your urine to turn darker in color. Is