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In this Article

• What is calcitriol (Rocaltrol)?
• What are the possible side effects of calcitriol (Rocaltrol)?
• What is the most important information I should know about calcitriol (Rocaltrol)?
• What should I discuss with my healthcare provider before taking calcitriol (Rocaltrol)?
• How should I take calcitriol (Rocaltrol)?
• What happens if I miss a dose (Rocaltrol)?
• What happens if I overdose (Rocaltrol)?
• What should I avoid while taking calcitriol (Rocaltrol)?
• What other drugs will affect calcitriol (Rocaltrol)?
• Where can I get more information?

What happens if I miss a dose (Rocaltrol)?

Take the missed dose as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Rocaltrol)?

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include increased thirst or urination, uneven heart rate, weakness, behavior changes, bone pain, nausea, weight loss, decreased appetite, constipation, or a metallic taste in the mouth.

What should I avoid while taking calcitriol (Rocaltrol)?

Do not take other vitamin or mineral supplements unless your doctor has told you to.

Avoid using antacids without your doctor's advice. Use only the specific type of antacid your doctor recommends. Antacids contain different minerals and some types can cause serious side effects if you take them together with calcitriol.

What other drugs will affect calcitriol (Rocaltrol)?

Before taking calcitriol, tell your doctor if you are taking any of the following medicines:

• digoxin (digitalis, Lanoxin, Lanoxicaps);
• cholestyramine (Questran, Prevalite);
• sevelamer (Renagel);
• ketoconazole (Nizoral);
• lanthanum (Fosrenol);
• seizure medication such as phenytoin (Dilantin) or phenobarbital (Solfoton);
• steroids such as prednisone, fluticasone (Advair), mometasone (Asmanex, Nasonex), dexamethasone (Decadron, Hexadrol) and others; or
• a (water pill) diuretic such as hydrochlorothiazide (HCTZ, Esidrix, Hydrodiuril, Microzide,Oretic), chlorothiazide (Diuril), chlorthalidone (Hygroton, Thalitone), indapamide (Lozol), metolazone (Mykrox, Zaroxolyn), and others.

This list is not complete and there may be other drugs that can interact with calcitriol. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about calcitriol.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed

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