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Ergocalciferol, also known as vitamin D2, is a form of vitamin D that is found in some foods and is also available as a dietary supplement. It is used to treat and prevent vitamin D deficiency and related conditions such as rickets. Ergocalciferol is also used to treat low levels of calcium in the blood caused by certain disorders such as hypoparathyroidism.
Common side effects of ergocalciferol include nausea, vomiting, constipation, headache, and weakness. Rare side effects include allergic reactions, high calcium levels, and kidney stones.
Associated brand names: Drisdol, Calciferol, Calcidol, and Calciferon.
An overdose of ergocalciferol can cause hypercalcemia, which is an abnormally high level of calcium in the blood.
Symptoms of hypercalcemia include nausea, vomiting, constipation, increased thirst, confusion, and fatigue.
All of the following must be considered when interpreting clinical findings and are too extensive to be covered on this site: