Stop or reduce calcium supplements if advised by a clinician
Stop or reduce vitamin D supplements if advised by a clinician
Increase fluid intake if you are able to drink safely
Seek urgent medical care for severe symptoms, dehydration, confusion, weakness, vomiting, or abnormal heart rhythm
Avoid thiazide diuretics if a clinician says they are contributing
Review all medications with a clinician
Treat the underlying cause of the high calcium
Use loop diuretics only under medical supervision
Use calcitonin if prescribed
Use bisphosphonates if prescribed
Use denosumab if prescribed
Use corticosteroids if prescribed for specific causes
Dialysis may be needed in severe cases
Limit high-calcium intake only if a clinician recommends it
Follow up with repeat blood tests as directed