Calciferol Side Effects
Generic Name: ergocalciferol
Note: This page contains information about the side effects of ergocalciferol. Some of the dosage forms included on this document may not apply to the brand name Calciferol.
For the Consumer
Applies to ergocalciferol: capsules
Other dosage forms:
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking ergocalciferol (the active ingredient contained in Calciferol)
Aches; constipation; loss of appetite; nausea; weakness; weight loss.
Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); brittle bones; chills; diarrhea; dry mouth; excessive thirst; excessive urination; growth suppression in children; headache; mental retardation; metallic taste in your mouth; muscle or bone pain; sleepiness; stomach cramps; vomiting.
For Healthcare Professionals
Applies to ergocalciferol: compounding powder, injectable solution, oral capsule, oral solution, oral tablet
Metabolic side effects have included hypercalcemia.[Ref]
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).[Ref]
1. Araugo OE, Flowers FP, Brown K "Vitamin D therapy in psoriasis." DICP 25 (1991): 835-9
2. Miller SM "New perspectives on vitamin D." Am J Med Technol 49 (1983): 27-37
Not all side effects for Calciferol may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
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