What is Milk of Magnesia?

Milk of Magnesia is an over-the-counter medication used to treat constipation and to provide temporary relief of heartburn, indigestion and upset stomach. Milk of Magnesia is also known as magnesium hydroxide, a white odorless powder, and is most commonly sold as a suspension due to its poor solubility in water. Although there are many other recent forms of constipation relief, it is a safe and effective laxative option for those individuals needing a solution to their chronic constipation.

History of Milk of Magnesia

Milk of Magnesia dates back to the year 1815 when a French pharmacist, Auguste Gaultheria, first extracted its constituent magnesium hydroxide. It wasn’t until 1867, when Philadelphia chemist John Cook Boardley became interested in its medicinal properties, that Milk of Magnesia was used as a laxative and antacid. The modern version of Milk of Magnesia, was prepared by French chemist Eugene Buret, who used magnesium hydroxide and a compatible internal buffer.

How Does Milk of Magnesia Work?

Milk of Magnesia works as a laxative and antacid. As a laxative, Milk of Magnesia draws water into the intestines, allowing stools to become softer and easier to pass. When it comes to its antacid actions, Milk of Magnesia is a “base” med, so it helps neutralize stomach acids and reduce the burning, gas, or discomfort associated with indigestion. Milk of Magnesia is generally well tolerated, particularly when taken at the recommended dosage of 15 – 30 ml for adults. Side-effects associated with Milk of Magnesia are usually mild and may include stomach cramps, nausea, vomiting, and diarrhea.

In conclusion, Milk of Magnesia has withstood the test of time as an over-the-counter constipation and antacid relief solution. Further research may reveal additional uses of Milk of Magnesia, though it has already become a cornerstone of over-the-counter medication. While it may not be the only solution for constipation or indigestion, Milk of Magnesia works as a simple, safe and effective approach to treating these and other lower intestinal tract issues.