What it means
A plant-based form of vitamin D. The body turns it into the active hormone that helps the gut absorb calcium and phosphorus for strong bones. It treats vitamin D deficiency, rickets, low parathyroid function and some low-phosphate conditions, often as a large weekly capsule (50,000 units). Vitamin D is fat-soluble, so too much builds up and raises the blood calciumKAL-see-umA mineral that builds bones and teeth and that nerves, muscles, the heart and blood clotting need to work.Full entry .
For the nurse
Teach the client to take only the prescribed amount. Report signs of too much calcium: nausea, constipation, thirst, frequent urination, muscle weakness or confusion. Expect calcium and vitamin D levels to be checked.
At a glance
| Drug class | vitamin D analog |
|---|---|
| Brand names | Drisdol |
| Spanish | ergocalciferol |
| Also written | vitamin D2 |
Related terms
calcium
A mineral that builds bones and teeth and that nerves, muscles, the heart and blood clotting need to work.
osteoporosis
A condition in which bones lose density and become thin, weak and easy to break.
vitamin
A substance the body needs in small amounts for normal growth and function, mostly from food.