Drugs A - Z

Magnesium Hydroxide Oral suspension

A laxative - It is used to treat constipation

Generic Name: magnesium hydroxide  |  Brand Name: Ex-Lax Milk of Magnesia

Brand Names: Phillips Milk of Magnesia, Milk of Magnesia, Concentrated Phillips Milk of Magnesia, Ex-Lax Milk of Magnesia, Ex-Lax

What is this medicine?

MAGNESIUM HYDROXIDE (mag NEE zhum hye DROX ide) is a laxative. It is used to treat constipation.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • bowel, intestinal, or stomach disease
  • change in bowel habits for more than 14 days
  • kidney disease
  • low magnesium diet
  • nausea, vomiting
  • stomach pain or blockage
  • an unusual or allergic reaction to magnesium hydroxide, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth. Follow the directions on the package or prescription label. Shake well before using. Use a specially marked spoon or dropper to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. After taking this medicine, drink a full glass of water. Take your medicine at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this medicine may be used in children for selected conditions, precautions do apply.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse. Do not treat yourself for constipation with this medicine for more than 1 week. See a doctor if you have black tarry stools, rectal bleeding, or if you feel unusually tired. Do not change to another laxative product without advice.

If you are taking other medicines, leave an interval of at least 2 hours before or after taking this medicine.

To help reduce constipation, drink several glasses of water a day.


Last Updated: July 06, 2009
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