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What are the side effects of metronidazole?

The most common minor side effects of metronidazole include: nausea or vomiting, diarrhea, headaches or dizziness, loss of appetite, stomach pain or cramping. This medication can occasionally cause minor side effects, such as dryness or unpleasant tastes in your mouth, coughing or runny nose, sore throat and soreness or swelling in your tongue. More serious side effects of metronidazole include: seizures, body aching or chills, loss of feeling in your feet or hands, sores or patches in your mouth or on your lips, discomfort urinating and watery or bloody diarrhea. Talk to your doctor if you experience any of these side effects. If you experience symptoms of allergic reaction to metronidazole, such as difficulty breathing, hives or swelling in your face and neck, seek immediate emergency medical attention. The vaginal product may cause vaginal discharge or itching. The topical product may cause skin irritation, redness and burning.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.