PRECAUTIONS: Before using paricalcitol, tell your doctor or pharmacist if you are allergic to it; or to other vitamin D products; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: high levels of calcium (hypercalcemia), high levels of vitamin D (hypervitaminosis D).Before using this medication, tell your doctor or pharmacist your medical history, especially of: regular use/abuse of alcohol, brain problems (e.g., seizures, brain injury), heart problems (e.g., arrhythmias, coronary artery disease), liver disease.This medication contains alcohol, which may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.It is unknown if this medication passes into breast milk. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: products that contain aluminum/magnesium (e.g., certain antacids, phosphate binders), corticosteroids (e.g., prednisone), digoxin, calcium supplements, other products that contain vitamin D or phosphate (e.g., ergocalciferol, sodium phosphate), drugs affecting liver enzymes that remove paricalcitol from your body (e.g., nefazodone, telithromycin, azole antifungals such as itraconazole/ketoconazole/voriconazole, macrolide antibiotics such as clarithromycin, protease inhibitors such as atazanavir/indinavir/nelfinavir/ritonavir/saquinavir), thiazide diuretics (e.g., hydrochlorothiazide).Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: certain antihistamines (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., chlorpromazine, risperidone, amitriptyline, trazodone). Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.Check the labels on all your prescription and nonprescription/herbal products (e.g., antacids, vitamins) because they may contain calcium, phosphate, or vitamin D. Ask your pharmacist about using those products safely.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.