DEAR DR. ROACH: I recently read in your column that you test your patient’s magnesium levels when they have been on long-term ...

I recently read in your column that you test your patient's magnesium levels when they have been on long-term proton-pump ...

ANSWER: People who are on PPIs and most diuretics are at a high risk for low magnesium. It’s true that most magnesium is in the cells; however, like potassium and calcium, a low blood level does ...

A magnesium blood test measures the amount of magnesium, an important mineral, in your blood. Your body needs magnesium from your diet to help your muscles, nerves, heart, and immune system work ...