A:
Milk of magnesia is an over-the-counter laxative that is used for short-term constipation relief. This magnesium-based compound is a saline osmotic that draws water into the bowels and triggers bowel movements. Doctors advise against using milk of magnesia for long-term constipation relief because it can cause an imbalance in your body chemistry.
Milk of magnesia ingredients:
Magnesium hydroxide
Sulfate
Citrate
Phosphate