Vitamin D with calcium is used to treat or prevent bone loss (osteoporosis). Sunscreen, protective clothing, limited exposure to sunlight, dark skin, and age may prevent getting enough vitamin D from the sun. Vitamin D is made by the body when skin is exposed to sunlight.

Vitamin D is used to treat and prevent bone disorders (such as rickets, osteomalacia). Having the right amount of vitamin D, calcium, and phosphorus is important for building and keeping strong bones. Vitamin D (ergocalciferol-D2, Cholecalciferol (Newtone)-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus. While some medications can be stopped after few days, some drugs need to be continued for prolonged period to get the benefit from it. The drug can be used for a single troubling symptom or a life-threatening condition. It may be more useful in injection form or sometimes in tablet form. The drug use depends on the form the patient takes it.

It can also be used to treat the particular symptom of the disease. A medicine can be used to prevent a disease, treat a disease over a period or cure a disease. There are specific as well as general uses of a drug or medicine.