Metronidazole is used to treat rosacea (a skin disease that causes redness, flushing, and pimples on the face). Metronidazole is in a class of medications called nitroimidazole antimicrobials. It works by stopping the growth of bacteria. Metronidazole comes as a cream, lotion, or gel to be applied to your skin. Metronidazole is usually is applied once or twice a day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Use metronidazole exactly as directed. Do not use more or less of it or use it more often than prescribed by your doctor. .

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