Symptomer på hypercalcæmi kan omfatte anoreksi, tørst, kvalme, opkastning, obstipation, abdominal smerter, muskelsvaghed, træthed, mentale forstyrrelser, polidipsi, polyuri, knoglesmerter, nephrocalcinose, nyresten og i alvorlige tilfælde hjertearytmier.
Symptoms of hypercalcaemia may include anorexia, thirst, nausea, vomiting, constipation, abdominal pain, muscle weakness, fatigue, mental disturbances, polidipsia, polyuria, bone pain, nephrocalcinosis, renal calculi and in severe cases, cardiac arrhythmias.