Often used for:
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What is calcium?
Calcium is a mineral that helps bones, teeth, nerves, and muscles grow and function and assists with blood clotting. Blood samples are checked to monitor calcium levels, and medicines or fluids may be adjusted if levels are too high or too low. Calcium can be given as chewable tablets, soft chews, tablets with vitamin D, an oral liquid, or an IV solution.
Hypercalcemia (too much calcium in the blood)
- Loss of appetite
- Nausea or vomiting
- Constipation
- Decreased kidney function
- Changes in heart rhythms
- Symptoms of an allergic reaction may include rash, hives, itching, chills, fever, headache, muscle ache, shortness of breath, coughing, tightness in the throat, or swelling of the face or neck
- Not all patients who take calcium will experience these side effects. Common side effects are in bold, but there may be others. Please report all suspected side effects to your doctor or pharmacist.
Possible side effects of hypocalcemia
- Feeling tired
- Memory loss or confusion
- Depression
- Seizures
- Muscle spasms
- Low blood pressure
- Heart failure
- Heart rhythm changes
- Hair loss
- Skin discoloration or irritation
- Symptoms of an allergic reaction may include rash, hives, itching, chills, fever, headache, muscle ache, shortness of breath, coughing, tightness in the throat, or swelling of the face or neck
- Not all patients who take calcium will experience these side effects. Common side effects are in bold, but there may be others. Please report all suspected side effects to your doctor or pharmacist.
Tips for patients and families
- Discuss all questions and instructions with your doctor or pharmacist.
- Some antacids contain calcium (Mylanta®, Rolaids®, Tums®); use caution if you have kidney problems or are already taking calcium.
- Store tablets and liquids at room temperature in a dry place.
- Contact the care team if symptoms of hypocalcemia or hypercalcemia occur.
