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Overview
Magnesium hydroxide is a antacid that is FDA approved for the treatment of saline Laxative and antacid. Common adverse reactions include hypermagnesemia.
Adult Indications and Dosage
FDA-Labeled Indications and Dosage (Adult)
Laxative
Relieves occasional constipation; generally produces a bowel movement in 1/2 to 6 hours.
Drink a full glass (8 ounces) of liquid with each dose
Adults and children 12 years and older: 2 to 4 tablespoons
Adults and children 12 years and older: 1 to 3 teaspoons with water, up to 4 times daily
There is limited information regarding Off-Label Guideline-Supported Use of Magnesium hydroxide in pediatric patients.
Non–Guideline-Supported Use
There is limited information regarding Off-Label Non–Guideline-Supported Use of Magnesium hydroxide in pediatric patients.
Contraindications
There is limited information regarding Magnesium hydroxide Contraindications in the drug label.
Warnings
Use caution if the following conditions coexist.
Kidney disease
A magnesium-restricted diet
Stomach pain, nausea or vomiting
A sudden change in bowel habits that lasts over 2 weeks
Ask a doctor or pharmacist before use if you are taking any other drug.
Antacids may interact with certain prescription drugs ° laxatives may affect how other drugs work, so should be taken 2 or more hours before or after other drugs.
When using this product as an antacid, it may have a laxative effect.
Stop use and ask a doctor if ° you have rectal bleeding or no bowel movement after using this product. These could be signs of a serious condition ° You need to use a laxative for more than 1 week ° symptoms last more than 2 weeks.
If pregnant or breast-feeding, ask a health professional before use.
Adverse Reactions
Clinical Trials Experience
There is limited information regarding Magnesium hydroxide Clinical Trials Experience in the drug label.
Postmarketing Experience
There is limited information regarding Magnesium hydroxide Postmarketing Experience in the drug label.