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Mag 64 Side Effects

Generic Name: calcium carbonate / magnesium chloride

Note: This document contains side effect information about calcium carbonate / magnesium chloride. Some of the dosage forms listed on this page may not apply to the brand name Mag 64.

Applies to calcium carbonate / magnesium chloride: oral delayed release tablet

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

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

Stop using calcium carbonate and magnesium chloride and call your doctor at once if you have:

  • nausea, vomiting, stomach pain, loss of appetite, increased thirst or urination;

  • muscle pain or weakness, joint pain;

  • confusion, feeling tired or restless; or

  • slow heart rate, drowsiness, feeling light-headed.

Common side effects may include:

  • diarrhea;

  • constipation; or

  • upset stomach.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

More about Mag 64 (calcium carbonate / magnesium chloride)

Consumer resources

Other brands: Slow-Mag, MagDelay, Nu-Mag

Related treatment guides

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