The generic name of Calcium D3 Carbonate Tablets has no effect on liver function, and its main side effects are gastrointestinal symptoms, hypercalcemia, and cardiac arrhythmia. Calcium D3 Carbonate Tablet is suitable for people who are at risk of calcium deficiency, such as lactating, pregnant or menopausal women, the elderly and so on, with the effect of preventing and controlling osteoporosis. Calcium D3 Carbonate Tablet may cause gastrointestinal discomfort symptoms, mainly including nausea and vomiting, abdominal pain and bloating, acid reflux and belching. Prolonged use or overdose may lead to hypercalcemia, cardiac arrhythmia and so on. It is contraindicated for those who are allergic to the product, patients with hypercalcemia, patients with hyperuricemia, used with caution in cardiac and renal insufficiency, and should not be used in combination with digoxin. If there is a risk of calcium deficiency, it is recommended to consult a doctor in time and take calcium supplements under the guidance of a doctor, do not self-medicate to avoid causing adverse reactions.