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Medications and Drugs

Brand Names: Mag-Tab SR

Generic Name: magnesium lactate (Pronunciation: mag NEE zee um LAK tate)

What is magnesium lactate (Mag-Tab SR)?

Magnesium lactate is a naturally occurring mineral that is needed in the body to support the function of the heart, nervous system, and digestive system.

Magnesium lactate is used as a mineral supplement to treat magnesium deficiency. It is also used to treat heartburn, indigestion, or stomach upset.

Magnesium lactate may also be used for other purposes not listed in this medication guide.

What are the possible side effects of magnesium lactate (Mag-Tab SR)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects may include:

  • diarrhea;
  • bloating, gas; or
  • upset stomach.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about magnesium lactate (Mag-Tab SR)?

Before you take magnesium lactate, tell your doctor if you have kidney disease or heart disease.

Magnesium lactate should be taken with food to lessen the chance of diarrhea.

Do not take any other vitamin or mineral supplements that contain magnesium unless your doctor has told you to.

There may be other drugs that can interact with magnesium lactate. Tell your doctor about all other medications you use, especially sodium polystyrene sulfonate (Kayexalate, Kionex), or a tetracycline antibiotic.

Get emergency medical help if you think you have used too much medicine, or if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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