Can't really answer whether it will help your fibromyalgia and arthritis symptoms but it certainly may. Ultram or tramadol is widely used to treat both conditions. You can find out more about tramadol at the below URL
http://arthritis.about.com/od/ultram/Ultram_Tramadol_Dosage_Side_Effects_Interactions_Warnings.htm
http://www.healthcentral.com/chronic-pain/find-drug-25432-25.html
Good luck!
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