What Is Metronidazole Used For? Metronidazole is used to treat: Stomach and intestinal infections (like amoebiasis) Vaginal infections such as bacterial vaginosis Dental infections and gum disease Certain skin and wound infections Some sexually transmitted infections (like trichomoniasis) It works by stopping the growth of harmful bacteria and parasites in the body. How Is Metronidazole Taken? Metronidazole comes in different forms: Tablets or capsules (taken by mouth) Syrup Vaginal gel or cream Injection (used in hospitals) Always take it exactly as prescribed by your healthcare provider and complete the full course, even if you start to feel better. Important Things to Know Do not drink alcohol while taking metronidazole and for at least 48 hours after finishing it. Mixing alcohol with this medicine can cause nausea, vomiting, dizziness, and stomach cramps. Take the medicine at the same time each day for best results. If you miss a dose, take it as soon as you remember (unless it’s almost time for the next dose). Possible Side Effects Some people may experience: Nausea or vomiting Metallic taste in the mouth Headache Stomach discomfort These side effects are usually mild and go away after treatment. If you notice severe reactions, contact a healthcare professional. Final Thoughts Metronidazole is an effective and trusted medicine when used correctly. However, it should only be taken with a prescription. Avoid self-medication and always consult a doctor or pharmacist before using antibiotics.

Disclaimer & Credit: All medical articles including ours, are informative and provide population trends not specific to individuals which can be very different. Always seek personalized medical advice from your doctor for individual healthcare decisions.

Posted January 8, 2026