This registry is a place to share positive or negative side effects of using Flexeril. If you directly experienced a side effect while using Flexeril, 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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July 27th
2003
7:31 PM
I've been taking Flexeril for 3 years now for Fibromyalgia Syndrome. Initial side-effect during first couple of days was a morning hangover feeling which wore off quickly. I too am curious about long-term usage since I will probably be taking this the rest of my life for FMS.
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