Magnesium Hydroxide
Phillips Milk Of Magnesia is an over-the-counter medication containing magnesium hydroxide that provides relief from acid indigestion, heartburn, and occasional constipation. It is commonly used by adults and children who need gentle relief from stomach discomfort or irregular bowel movements.
Phillips Milk Of Magnesia is an antacid and laxative used to relieve heartburn, indigestion, and occasional constipation.
Key facts at a glance
- RxNorm
- 219233
- Generic
- Phillips Milk Of Magnesia
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats occasional constipation and relieves symptoms of acid indigestion, heartburn, sour stomach, and excess gas. May also be used as a magnesium supplement when needed.
As an antacid, it neutralizes stomach acid through a chemical reaction. As a laxative, it draws water into the intestines to soften stool and promote bowel movements.
Do not exceed recommended duration of use. May interact with certain medications; take medications 2 hours before or after. Not recommended for those with kidney problems without medical advice. Consult a healthcare provider if symptoms persist beyond 2 weeks or if you experience sudden changes in bowel habits.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy