Hi beautyammai,
The (FIQ) "Fibromyalgia Impact Questionnaire" has been widely used as an assessment tool. Here are the 2 links:
:http://www.pubmedcentral.nih.gov/art...i?artid=117444
http://www.myalgia.com/FIQ/Bennett%20FIQ%20review.pdf
Regards,
charlize