Osteoporosis Home > Calcium Side Effects
Constipation, belching, and gas are some of the bothersome side effects that have been reported with calcium. Side effects of the supplement are usually not dangerous, but calcium toxicity can occur with very high dosages. Some of the potentially serious side effects of calcium that should be reported to your healthcare provider include excessive drowsiness, frequent urination, and nausea or vomiting.
- Kidney stones
- Excessive drowsiness
- Muscle weakness
- Nausea and vomiting
- Frequent urination
- Changes in your heart rate
- Signs of an allergic reaction, such as:
- Hives or a rash
- Swelling of the lips, mouth, or throat
- Wheezing or other difficulty breathing.