First of all, you should take the old man to the hospital for examination. You can do a calcium ion analysis to see if there is any calcium deficiency. If there is calcium deficiency, calcium gluconate and vitamin C can be supplemented intravenously, and the dosage can be customized according to the age and physical condition of the elderly. Two doses of calcium gluconate (20ml) and vitamin C (40ml) are commonly used. Add it to 100- 150ml of 5% glucose or 0.9% sodium chloride. It is recommended to stand for 7 days. If the elderly are older and have a bad heart, you can reduce the amount of each static point. To 100- 150ml of 5% glucose or 0. Slow and quiet, 40-60 drops/minute is recommended, and 40-45 drops/minute is recommended for patients with bad heart. It is best to inject vitamin D3 intramuscularly one week after drug withdrawal to enhance drug absorption.
Lexmark is recommended for oral calcium tablets, because calcium is small, easy to absorb and has a good clinical effect.