Magnesium Hydroxide for Heartburn
Medically reviewed by a licensed pharmacist · Last reviewed
Reviewed against: FDA OTC Monograph · American College of Obstetricians and Gynecologists
Dose
5-15mL by mouth as needed for heartburn, or 2-4 chewable tablets. Max 60mL or 16 tablets in 24 hours. Often combined with aluminum hydroxide to balance bowel effects.
What to watch for
- Severe renal impairment
- Intestinal obstruction
Not for children under 12.
Sources
- FDA OTC Monograph — FDA-OTC-Monograph-Antacid-21CFR331
- American College of Obstetricians and Gynecologists
Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.
Where to buy
This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.