Fibromyalgia syndrome symptoms and conditions
Here are side effects posted by other members, that mention fibromyalgia syndrome.
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50 Side Effects posted for fibromyalgia syndrome
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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