Vitamin D2 Side Effects
Generic Name: ergocalciferol
Note: This page contains side effects data for the generic drug ergocalciferol. It is possible that some of the dosage forms included below may not apply to the brand name Vitamin D2.
For the Consumer
Applies to ergocalciferol: oral capsules and solution
Side effects include:
Possible hypervitaminosis D effects: polyuria, nocturia, polydipsia, hypercalciuria, reversible azotemia, hypertension, nephrocalcinosis, generalized vascular calcification, irreversible renal insufficiency (may be fatal), mental retardation, widespread soft tissue calcification, osteoporosis, dwarfism, vague aches, stiffness, weakness, nausea, anorexia, constipation, mild acidosis, anemia, weight loss.
For Healthcare Professionals
Applies to ergocalciferol: compounding powder, injectable solution, oral capsule, oral solution, oral tablet
Rare (less than 0.1%): Hypercalcemia
Frequency not reported: Hypervitaminosis D[Ref]
Hypervitaminosis D is characterized by: impairment of renal function with polyuria, nocturia, polydipsia, hypercalciuria, reversible azotemia, hypertension, nephrocalcinosis, generalized vascular calcification, or irreversible renal insufficiency which may result in death; mental retardation; widespread calcification of the soft tissues, including the heart, blood vessels, renal tubules, and lungs; bone demineralization (osteoporosis) in adults; decline in the average rate of linear growth and increased mineralization of bones in infants and children (dwarfism), vague aches, stiffness, and weakness; nausea, anorexia, constipation; and mild acidosis, anemia, and weight loss.[Ref]
Rare (less than 0.1%): Hypercalciuria[Ref]
Rare (less than 0.1%): Pruritus, rash, urticaria[Ref]
1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
2. "Product Information. Drisdol (ergocalciferol)." sanofi-aventis, Bridgewater, NJ.
It is possible that some side effects of Vitamin D2 may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.
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