This registry is a place to share positive or negative side effects of using Metronidazole. If you directly experienced a side effect while using Metronidazole, then we encourage you to enter it here. Please note that entries here are the experiences of individual users, and in no way means that you or anyone else will experience the same side effect, since the same medication affects people in different ways. Please always contact your physician.
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August 23th
2007
4:51 AM
I only took 5 400mg metronidazole tablets and had severe lower back pain headaches lightheadedness etc had to stop taking tablets. 2 weeks later still having pain but not so severe. How long does it take for the side effects to go away?
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