Milk of magnesia is an oral suspension that contains hydrated magnesium carbonate. It is an over-the-counter medication intended for occasional or short-term use as an antacid or laxative.

For example 'milk of magnesia', a white aqueous solution of magnesium hydroxide, is commonly used as a laxative and an antacid. Magnesium also has a central position in organic and organometallic ...