Drug reference
magnesium oxide
Laxative
Laxative
CDSCO approved
EXCRETION
—
not curated
INTERACTIONS
—
none in our sources
PREGNANCY
—
not curated
Mechanism
Magnesium oxide is an osmotic laxative. It works by drawing water into the intestines from surrounding tissues, which softens the stool and increases stool bulk, thereby stimulating bowel movement. It is generally used to relieve occasional constipation.
Indications
Constipation in cancer patients
Related guidelines
Other Unclassified drugs
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Textbook-sourced·Sources: Harrison 22e·Updated: 2026-05-10