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Vitamin deficiency
6%
17/285
Vitamin overdose
71%
202/285
Primary endocrine dysfunction
17%
48/285
Plasma cell neoplasm
4%
11/285
Inherited disorder
1%
3/285
Select Answer to see Preferred Response
This patient's clinical presentation is consistent with hypervitaminosis D. The maximum recommended dose of vitamin D is 4,000 IU/day in patients >9 years old. Overdose is nearly always a result of vitamin supplementation, and symptoms typically appear after several months of ingesting more than the recommended amount. Common symptoms of vitamin D intoxication include constipation, hypercalcemia, abdominal pain, weight loss, polyuria, and polydipsia. Suggested treatment includes cessation of vitamin intake and supporative care. Incorrect Answers: Answer 1: Vitamin D deficiency is associated with hypocalcemia and rickets, not hypercalcemia. Answer 3: Primary hyperaldosteronism typically presents with elevated blood pressures and low potassium, which this patient does not have. Answer 4: Multiple myeloma typically presents in an older population and is associated with constitutional symptoms or pathologic fractures. Answer 5: Familial benign hypercalcemia is typically asymptomatic.
4.6
(14)
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