A member asked:

Off and on sudden severe cramping of lower rib cage, ribs sticking out when cramping, also pain in lower left back with cramping not at same time.

A doctor has provided 1 answer

Cramps: Recurrent muscle cramps can be due to deficiencies of calcium, magnesium, sodium or potassium. I recommend that you discuss this with your physician who can order appropriate tests.

Answered 1/7/2018

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