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Ergocalciferol

Ergocalciferol is a brand of Ergocalciferol.

Ergocalciferol is indicated for use in the treatment of hypoparathyroidism, refractory rickets, also known as vitamin D resistant rickets, and familia.

Checked against the official label · Updated

Prescription medicine Oral

How to use Ergocalciferol

Lo que dice el prospecto oficial. Si te lo recetó un médico, sigue la receta. Si el prospecto de tu caja es distinto, manda el de tu caja.

Para quién es

Ergocalciferol is indicated for use in the treatment of hypoparathyroidism, refractory rickets, also known as vitamin D resistant rickets, and familial hypophosphatemia.

Cómo tomarlo y con qué frecuencia
  • THE RANGE BETWEEN THERAPEUTIC AND TOXIC DOSES IS NARROW
  • Vitamin D Resistant Rickets: 12,000 to 500,000 USP units daily
  • Hypoparathyroidism: 50,000 to 200,000 USP units daily concomitantly with calcium lactate 4 g, six times per day
  • DOSAGE MUST BE INDIVIDUALIZED UNDER CLOSE MEDICAL SUPERVISION
  • Calcium intake should be adequate
  • Blood calcium and phosphorous determinations must be made every 2 weeks or more frequently if necessary
  • X-rays of the bones should be taken every month until condition is corrected and stabilized
Infancia

Pediatric doses must be individualized (see DOSAGE AND ADMINISTRATION ).

Older adults

Clinical studies of Ergocalciferol capsules, USP did not include sufficient numbers of subjects aged 65 and over to determine whether they respond differently from younger subjects. Other reported clinical experience has not identified differences in responses between the elderly and younger patients. …

Talk to a doctor first if

Ergocalciferol is contraindicated in patients with hypercalcemia, malabsorption syndrome, abnormal sensitivity to the toxic effects of vitamin D, and hypervitaminosis D.

Medicines it may not mix with

Mineral oil interferes with the absorption of fat-soluble vitamins, including vitamin D preparations. Administration of thiazide diuretics to hypoparathyroid patients who are concurrently being treated with ergocalciferol may cause hypercalcemia.

Warnings

Hypersensitivity to vitamin D may be one etiologic factor in infants with idiopathic hypercalcemia. In these cases vitamin D must be strictly restricted. Keep out of the reach of children.

Posibles efectos secundarios

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. …

Pregnancy and breastfeeding

Pregnancy Category C Animal reproduction studies have shown fetal abnormalities in several species associated with hypervitaminosis D. These are similar to the supravalvular aortic stenosis syndrome described in infants by Black in England (1963). This syndrome was characterized by supravalvular aortic stenosis, elfin facies, and mental retardation. …

If you take too much

The effects of administered vitamin D can persist for two or more months after cessation of treatment. Hypervitaminosis D is characterized by: Hypercalcemia with anorexia, nausea, weakness, weight loss, vague aches and stiffness, constipation, mental retardation, anemia, and mild acidosis. 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. …

Si olvidas una dosis

Tómala en cuanto te acuerdes, salvo que falte poco para la siguiente. En ese caso, sáltate la olvidada. Nunca tomes dos dosis a la vez para compensar. Revisa tu prospecto, porque algunos medicamentos son distintos.

From the official U.S. FDA label for this active ingredient. Your pack may have a different strength, so always read its leaflet. If a doctor prescribed it, follow the prescription. Ask a pharmacist if you are unsure. Label dated 2026-05-20.

Same medicine, other brands

Products with Ergocalciferol as the active ingredient. Names differ between countries.

Check your pack of Ergocalciferol

Type the registration number on the pack, or scan it with your camera.

O haz fotos de la caja
Te quedan 3 verificaciones gratis hoy Official sources: U.S. FDA · EMA (EU) · Health Canada · WHO alerts

Questions about Ergocalciferol

What is in Ergocalciferol?

Ergocalciferol contains Ergocalciferol. Other brands with the same active ingredient work the same way; the dose and strength on your pack are what matter.

What is Ergocalciferol used for?

Ergocalciferol is indicated for use in the treatment of hypoparathyroidism, refractory rickets, also known as vitamin D resistant rickets, and familial hypophosphatemia. (From the official U.S. FDA label.)

How do I take Ergocalciferol?

Follow your prescription or the leaflet in your pack. The official label says: THE RANGE BETWEEN THERAPEUTIC AND TOXIC DOSES IS NARROW. Vitamin D Resistant Rickets: 12,000 to 500,000 USP units daily. Hypoparathyroidism: 50,000 to 200,000 USP units daily concomitantly with calcium lactate 4 g, six times per day. DOSAGE MUST BE INDIVIDUALIZED UNDER CLOSE MEDICAL SUPERVISION. Calcium intake should be adequate. Blood calcium and phosphorous determinations mus…

Do I need a prescription for Ergocalciferol?

Usually yes. Ergocalciferol is a prescription medicine in most countries. Rules differ by country.

What brands contain Ergocalciferol?

Ergocalciferol is sold under names such as Calcidol, Drisdol. Brand names differ between countries.

What are the side effects of Ergocalciferol?

The official label lists: 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 calcificati… Tell your doctor about any side effect that bothers you or does not go away.

Can children take Ergocalciferol?

Pediatric doses must be individualized (see DOSAGE AND ADMINISTRATION ). Always use the dose for the child's age or weight on the pack or prescription.

Can I take Ergocalciferol when pregnant or breastfeeding?

Pregnancy Category C Animal reproduction studies have shown fetal abnormalities in several species associated with hypervitaminosis D. These are similar to the supravalvular aortic stenosis syndrome described in infants by Black in England (1963). This syndrome was characterized by supravalvular aortic stenosis, elfin facies, and mental retardation. … Ask your doctor or midwife first.

What medicines interact with Ergocalciferol?

Mineral oil interferes with the absorption of fat-soluble vitamins, including vitamin D preparations. Administration of thiazide diuretics to hypoparathyroid patients who are concurrently being treated with ergocalciferol may cause hypercalcemia. Use the free interaction checker before combining medicines.

What happens if I take too much Ergocalciferol?

The effects of administered vitamin D can persist for two or more months after cessation of treatment. Hypervitaminosis D is characterized by: Hypercalcemia with anorexia, nausea, weakness, weight loss, vague aches and stiffness, constipation, mental retardation, anemia, and mild acidosis. Impairmen… Get medical help right away.

How can I check that my Ergocalciferol is genuine?

Scan the registration number on your pack with PillVera (NAFDAC number in Nigeria, NDC in the United States, DIN in Canada), check the expiry date and buy only from licensed pharmacies.

Sources

This page shows what official sources say, in plain words. It is not medical advice: your prescription and your doctor or pharmacist come first. Brand names, strengths and rules differ between countries.