Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Although the following side effects occur very rarely when the calcium supplement is taken as recommended, they may be more likely to occur if it is taken in large doses, if it is taken for a long time or if it is taken by patients with kidney disease.
Check with your doctor as soon as possible if any of the following side effects occur:More common
- Flushing and/or sensation of warmth or heat
- Irregular heartbeat
- Nausea or vomiting
- Skin redness, rash, pain, or burning at injection site
- Tingling sensation
- Difficult or painful urination
- Nausea or vomiting (continuing)
- Constipation (severe)
- Dryness of mouth
- Headache (continuing)
- Increased thirst
- Loss of appetite
- Mental depression
- Metallic taste
- Unusual tiredness or weakness
- Drowsiness (severe)
- High blood pressure
- Increased sensitivity of eyes or skin to light
- Irregular, fast, or slow heartbeat
- Unusually large amount of urine or increased frequency of urination
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.