Early Symptoms of Hypercalcemia: Severe constipation; dryness of mouth; headache, continuing increased thirst; irritability; loss of appetite; mental depression; metallic taste; unusual tiredness or weakness.
Late Symptoms of Hypercalcemia: Confusion; drowsiness; high blood pressure; increased sensitivity of eyes or skin to light, especially in hemodialysis patients; irregular, fast or slow heartbeat; nausea and vomiting; unusually large amount of urine or increased frequency of urination.
Note: In severe hypercalcemia, electrocardiogram changes consist of shortened QT intervals are also seen.
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