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Tacoma, WA
A 38-year-old female asked:

Low vitamin d (12), fatigue with muscle and joint pain. daily issue, restless legs at night...possible fibromyalgia? how to test for it?

4 doctor answers14 doctors weighed in
Dr. Donald Mantz
Family Medicine 38 years experience
Several tests needed: Fibromyalgia has no specific tests. It is more of a pattern of tender painful sites on the body, and exclusion of other possibilities. A low vitamin d level can cause many symptoms, which should resolve with supplementation. Have doctor prescribe amount. Restless legs are possibly unrelated, and treatment is available. Muscle/joint pains have many possible causes for which screen test can be done.
Dr. Frederick Buechel, jr. md
Orthopedic Surgery 26 years experience
Another cause of achey joints and deep muscle pain is anti-Cholesterol medications. If you are on cholesterol lowering medication talk to your doctor about getting off it and see if your joint pain and muscle aches go away.
Aug 16, 2012
Dr. Vered Lewy-Weiss
A Verified Doctoranswered
A US doctor answeredLearn more
Commonality??: Your vitamin d level is pretty low. If you have restless leg then you may also be iron deficient. Muscle and joint pain + vitamin/mineral deficiencies could be result of intestinal malabsorption. Celiac sprue fairly common and might need to be ruled out even w/o abdominal symptoms. May be other things also. Calcium levels? May need to look at pth. Fibromyalgia is a diagnosis of exclusion.
Dr. Michele Arnold
Physical Medicine and Rehabilitation 22 years experience
Physical exam: The best test for fibromyalgia is a physical exam by a skilled physician knowledgeable in fibromyalgia. There is no lab or imaging study that can confirm fibromyalgia. Be aware that vitamin d deficiency can mimic fibromyalgia-- i would not diagnose fibromyalgia unless a person has corrected their vitamin d deficiency. It can take 9-12 months to correct a low vitamin d.
Dr. Su Fairchild
Integrative Medicine 24 years experience
More tests needed: You could have a gluten sensitivity gene. Test via enterolabs, no doctor order needed. Gluten sensitivity can damage intestinal cells, causing malabsorption, and low d, low b12, low magnesium, etc. Also test thyroid with reverse t3, (liothyronine) free t3, (liothyronine) and free t4.

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Last updated Sep 28, 2016

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