Vitamin D Side Effects

Please note - some side effects for Vitamin D may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).

Side Effects by Body System

Metabolic

Metabolic side effects have included hypercalcemia.

Hypercalciuria may precede hypercalcemia in patients being treated with ergocalciferol. Early signs and symptoms of hypercalcemia include headache, anorexia, nausea, vomiting, gastrointestinal disturbances, abdominal cramps, dry mouth, metallic taste, weakness, fatigue, muscle and bone pain, ataxia, tinnitus, and vertigo. Later stages of hypercalcemia may present as pruritus, mental confusion, hypertension, cardiac arrhythmias, seizures, metastatic calcification, and renal insufficiency (manifested as polyuria, nocturia, polydipsia, and proteinuria).

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