Vitamin D2 Side Effects
Generic Name: ergocalciferol
Note: This document contains side effect information about ergocalciferol. Some of the dosage forms listed on this page may not apply to the brand name Vitamin D2.
Some side effects of Vitamin D2 may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
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
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).
More about Vitamin D2 (ergocalciferol)
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