A member asked:

I have severe iron deficiency anemia and severe vitamin d deficiency.whenever i take iron and d3 supplements i get widespread muscle twithing.causes?

9 doctors weighed in across 3 answers
Dr. Stuart Hickerson answered

Specializes in Family Medicine

Calcium: If you are deficient in Vitamin D then you will be deficient in Calcium. When you take the Vitamin D this increases the Calcium in your system and this is likely causing the symptoms.

Answered 3/8/2019

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Take: Both can cause twitching low iron and low calcium.Calcium causes muscles to contract and magnesium causes then to relax.Studies show when magnesium intake low, calcium supplementation may reduce magnesium absorption/retention.Plus calcium supplementation can have negative effects on magnesium levels, magnesium supplementation actually improves the body’s use of calcium.

Answered 3/5/2019

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Twitching: Magnesium deficiency as well as calcium deficiency can cause this degree of muscle irritability. Discuss with your physician and get testing done.

Answered 3/5/2019

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