Active Ingredient

Calcitriol

Calcitriol is a form of vitamin D, which plays a crucial role in maintaining healthy bones and calcium levels in the body. It is often used in conditions where calcium regulation is disrupted.

Calcitriol can help manage certain medical conditions related to bone health and calcium imbalance.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Calcitriol Brands

Rocaltrol

Strengths 0.25mcg

Calcitriol Uses

Calcitriol is typically used to treat conditions related to calcium and bone metabolism.

Management of hypocalcemia in patients with chronic kidney disease.
Treatment of secondary hyperparathyroidism.
Support for bone health in conditions like osteoporosis.
Treatment of rickets or osteomalacia.
Management of hypoparathyroidism.

How Calcitriol Works

Calcitriol works by enhancing the absorption of calcium and phosphate from the gut, which helps maintain proper bone structure and function.

It acts similarly to naturally occurring vitamin D in the body and is crucial for the regulation of calcium levels.

By increasing calcium levels, Calcitriol helps prevent bone disorders and supports overall bone health.

Common side effects of Calcitriol

Not everyone experiences side effects with Calcitriol, and many side effects are mild and temporary.

Nausea
Vomiting
Loss of appetite
Dry mouth
Constipation
Headache
Dizziness
Fatigue

If you experience any serious or persistent symptoms, contact your doctor.

Monitor your calcium levels regularly as advised by your healthcare provider.
Avoid taking other vitamin D supplements unless directed by your doctor.
Be cautious of potential interactions with other medications you may be taking.
Limit alcohol consumption while using Calcitriol.
Inform your doctor if you experience any symptoms of high calcium levels, such as muscle weakness or confusion.

Always consult your doctor for personalized medical advice.

Frequently Asked Questions

What is Calcitriol used for?

Calcitriol is used to manage conditions related to calcium imbalance, such as hypocalcemia and secondary hyperparathyroidism.

How does Calcitriol work in the body?

Calcitriol increases the absorption of calcium and phosphate from the gut, supporting bone health and calcium regulation.

What should I avoid while taking Calcitriol?

Avoid taking additional vitamin D supplements and limit alcohol consumption unless advised by your doctor.

Can Calcitriol cause side effects?

Yes, some people may experience side effects like nausea, headache, or dizziness. Consult your doctor if side effects persist.

Is Calcitriol safe for long-term use?

Your doctor will determine the safety of long-term use based on your specific condition and overall health.