Which of these side effects is most commonly associated with Milk of Magnesia?

Milk of Magnesia, which is primarily magnesium hydroxide, is commonly used as an antacid and a laxative. The correct answer highlights stomach pain as a side effect associated with its use. This side effect can occur due to the way that Milk of Magnesia works in the digestive system.

When taken as a laxative, it draws water into the intestines, which can sometimes lead to cramping or discomfort in the stomach area as the body adjusts to the increased movement of the bowels. Stomach pain may be a result of the abdominal muscles contracting more during this process or from irritation of the gastrointestinal lining if taken in excess amounts.

Other options, while they can present in some situations, are less commonly associated when focusing specifically on Milk of Magnesia's primary side effects. For example, dry mouth is not a typical side effect; instead, it might be seen with medications that have a more systemic drying effect. Constipation would generally be contrary to the purpose of Milk of Magnesia as a laxative. Fatigue is also more commonly linked to other medications or health conditions rather than with the use of Milk of Magnesia itself.

Understanding these side effects helps in recognizing how medications function within the body and the potential discomforts they