In this Article

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

What happens if I miss a dose (Zemplar Capsules)?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose (Zemplar Capsules)?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of vitamin D can cause serious or life-threatening side effects.

Overdose symptoms may include headache, weakness, drowsiness, dry mouth, nausea, vomiting, constipation, muscle or bone pain, metallic taste in the mouth, weight loss, itchy skin, changes in heart rate, loss of interest in sex, confusion, unusual thoughts or behavior, feeling unusually hot, severe pain in your upper stomach spreading to your back, or fainting.

What should I avoid while taking paricalcitol (Zemplar Capsules)?

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

Avoid using calcium supplements or antacids without your doctor's advice. Use only the specific type of supplement or antacid your doctor recommends.

What other drugs will affect paricalcitol (Zemplar Capsules)?

Tell your doctor about all other medicines you use, especially:

• cholestyramine (Prevalite, Questran);
• conivaptan (Vaprisol);
• digoxin (Lanoxin);
• imatinib (Gleevec);
• isoniazid (for treating tuberculosis);
• an antibiotic such as clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin), or telithromycin (Ketek);
• antifungal medication such as clotrimazole (Mycelex Troche), itraconazole (Sporanox), ketoconazole (Nizoral), or voriconazole (Vfend);
• an antidepressant such as nefazodone;
• heart or blood pressure medication such as diltiazem (Cartia, Cardizem), felodipine (Plendil), nifedipine (Nifedical, Procardia), verapamil (Calan, Covera, Isoptin, Verelan), and others; or
• HIV/AIDS medicine such as atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir).

This list is not complete and other drugs may interact with paricalcitol. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about paricalcitol.

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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