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Calcium / vitamin d Side Effects

Not all side effects for calcium / vitamin d may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

Applies to calcium / vitamin d: oral capsule, oral powder for reconstitution, oral tablet, oral tablet chewable, oral tablet extended release

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

Call your doctor at once if you have signs of too much calcium in your body, such as:

  • stomach pain, vomiting, loss of appetite;

  • increased thirst or urination;

  • muscle pain or weakness, joint pain; or

  • confusion, and feeling tired or restless.

Common side effects may include:

  • an irregular heartbeat;

  • nausea, constipation;

  • weakness, drowsiness, headache;

  • dry mouth, or a metallic taste in your mouth; or

  • muscle or bone pain.

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

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