Calcium Gluconate Injection should not be taken by mouth. Calcium gluconate injection belongs to the electrolyte balance regulator, which can be used to treat calcium deficiency, acute hypocalcemia, allergic disorders, and cardiopulmonary resuscitation. The drug should not be taken orally, which may cause gastrointestinal irritation, and may also affect the efficacy of the drug, which is prone to constipation, drowsiness, nausea and vomiting and other adverse reactions. According to the instructions of the drug, calcium gluconate injection is strictly prohibited to be paired with oxidizing agents, citrates, soluble carbonates, phosphates and sulfates; it is strictly prohibited to be used with thiazide diuretics, which can increase the reabsorption of calcium by the kidneys and lead to hypercalcemia. Patients should use Calcium Gluconate Injection properly under the guidance of a doctor, and avoid changing the dosage or usage on their own to prevent the effects on the body.