A patient is taking magnesium hydroxide after meals for gastric reflux. Which of the following side effects is common when taking magnesium-based antacids?


• Magnesium hydroxide commonly causes diarrhea.

• Incorrect: Magnesium hydroxide rarely causes electrolyte imbalances in the absence of renal disease.

• Incorrect: Constipation can occur from other antacids such as aluminum hydroxide.

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