Drink plenty of water unless a doctor has restricted fluids
Stop calcium supplements if your doctor tells you to
Stop vitamin D supplements if your doctor tells you to
Review all medications with a doctor, especially thiazide diuretics, lithium, and calcium-containing antacids
Treat the underlying cause with a doctor’s help
Increase physical activity if you are able and your doctor approves
Get urgent medical care for severe symptoms such as confusion, weakness, vomiting, dehydration, or irregular heartbeat
Seek immediate treatment for very high calcium levels, which may require IV fluids and other medicines
Follow your doctor’s plan for repeat blood tests and monitoring