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Ergocalciferol (Ergocalciferol) - Side Effects and Adverse Reactions



Hypervitaminosis D is characterized by effects on the following organ system:

Renal: 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.

CNS: Mental retardation.

Soft Tissues: Widespread calcification of the soft tissues, including the heart, blood vessels, renal tubules, and lungs.

Skeletal: Bone demineralization (osteoporosis) in adults occurs concomitantly. Decline in the average rate of linear growth and increased mineralization of bones in infants and children (dwarfism) vague aches, stiffness, and weakness.

Gastrointestinal: Nausea, anorexia, constipation.

Metabolic: Mild acidosis, anemia, weight loss.


Below is a sample of reports where side effects / adverse reactions may be related to Ergocalciferol. The information is not vetted and should not be considered as verified clinical evidence.

Possible Ergocalciferol side effects / adverse reactions in 58 year old female

Reported by a physician from United States on 2011-12-21

Patient: 58 year old female

Reactions: Toxic Encephalopathy, Metabolic Encephalopathy

Adverse event resulted in: hospitalization

Suspect drug(s):
Amlodipine Besylate
    Dosage: 10 mg


Omega 3 Fatty Acids
    Dosage: 500 mg

Epoetin Alfa

Sevelamer Carbonate
    Dosage: 2400 mg

Valacyclovir Hydrochloride
    Dosage: 3 g
    Administration route: Oral
    Indication: Herpes Zoster

Cinacalcet Hydrochloride
    Dosage: 30 mg

    Dosage: 80 mg

Possible Ergocalciferol side effects / adverse reactions in 77 year old male

Reported by a pharmacist from United States on 2012-02-28

Patient: 77 year old male weighing 87.0 kg (191.4 pounds)

Reactions: Dysphagia, Trigeminal Neuralgia, Dehydration, NO Therapeutic Response, Condition Aggravated, Sexual Dysfunction, Pain in JAW

Adverse event resulted in: hospitalization

Suspect drug(s):
    Indication: Product Used FOR Unknown Indication

    Dosage: 1250 mg;qd;po, 200 mg;tid;po
    Administration route: Oral
    Indication: Pain

Warfarin Sodium
    Dosage: 7.5 mg; ;po, 5 mg;
    Indication: Product Used FOR Unknown Indication

Other drugs received by patient: Terazosin HCL

Possible Ergocalciferol side effects / adverse reactions in 46 year old female

Reported by a consumer/non-health professional from United States on 2012-03-23

Patient: 46 year old female weighing 71.6 kg (157.5 pounds)

Reactions: Dermatitis Allergic, Allergic Respiratory Symptom, Hypersensitivity, Nausea, Drug Ineffective, Drug Hypersensitivity, Suicidal Ideation

Suspect drug(s):

    Start date: 2004-01-01

ALL Other Therapeutic Products

    Indication: Bipolar Disorder

Bupropion HCL
    Start date: 2004-01-01

    End date: 2004-01-01

Fish OIL

ALL Other Therapeutic Products


Tocopheryl Acetate

Lithium Carbonate

Other drugs received by patient: Simvastatin; Escitalopram Oxalate; Paroxetine HCL; Paroxetine HCL

See index of all Ergocalciferol side effect reports >>

Drug label data at the top of this Page last updated: 2010-12-12

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