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ergocalciferol Uses, Side Effects, Interactions, Warnings & Dosing

What dosages is ergocalciferol available in?

What dosages is ergocalciferol available in?

ergocalciferol is available as a 50,000 IU oral capsule.

What is ergocalciferol used for?

What is ergocalciferol used for?

ergocalciferol is a dietary supplement and is used to treat hypoparathyroidism (low parathyroid hormone levels), familial hypophosphatemia (genetic condition causing low phosphate levels), and vitamin D-resistant rickets (weakening of the bones caused by low vitamin D).

How does ergocalciferol work?

How does ergocalciferol work?

ergocalciferol is a form of vitamin D that’s available as a dietary supplement. Vitamin D allows your body to absorb more calcium and phosphate, which is important to keep your bones healthy and strong. If you have problems with your parathyroid gland, your body doesn’t make vitamin D very well on its own. Vitamin D2 (ergocalciferol) replaces the vitamin D your parathyroid gland isn’t making.

How do I take ergocalciferol?

How do I take ergocalciferol?

ergocalciferol is typically taken by mouth with dose ranges between 12,000 and 500,000 units (or IU) by mouth every day, depending on the condition.

Is it safe for me to take ergocalciferol?

Is it safe for me to take ergocalciferol?

ergocalciferol is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you have hypercalcemia, malabsorption syndrome, abnormal sensitivity to the toxic effects of vitamin D, and hypervitaminosis D.

ergocalciferol Common Side Effects

ergocalciferol Common Side Effects

  • ergocalciferol at normal doses usually has no side effects
ergocalciferol Serious Side Effects

ergocalciferol Serious Side Effects

Serious side effects are rare with ergocalciferol. Contact your healthcare provider immediately if you experience any of the following.

  • High calcium or vitamin D blood levels: loss of appetite, nausea, weakness, weight loss, muscle aches or stiffness, constipation
  • Kidney damage: a change in how much or how often you urinate, feeling tired, swelling in your legs or feet
Effects of other drugs, drug classes and over-the-counter products on ergocalciferol

Effects of other drugs, drug classes and over-the-counter products on ergocalciferol

The following medications may 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
Who makes ergocalciferol?

Who makes ergocalciferol?

Various FDA-approved generic manufacturers

Is ergocalciferol safe in pregnancy?

Is ergocalciferol safe in pregnancy?

ergocalciferol use in excess of the recommended dietary allowance during normal pregnancy should be avoided unless, in the judgment of the physician, potential benefits in a specific, unique case outweigh the significant hazards involved.


What to do if you missed your ergocalciferol dose

The FDA's medical product safety reporting program for health professionals, patients and consumers.

Learn more about reporting side effects
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NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.

The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.

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