Do not take this medication with any of the following:
-Cisapride
-Dronedarone
-Fluconazole
-Ketoconazole
-Levoketoconazole
-Pimozide
-Posaconazole
-Saquinavir
-Thioridazine
This medication may also interact with the following:
-Certain antibiotics, such as clarithromycin, rifabutin, rifapentine, rifampin, telithromycin
-Certain antivirals for HIV or hepatitis
-Certain medications for fungal infections, such as itraconazole, voriconazole
-Certain medications for irregular heart beat, such as amiodarone, encainide, flecainide, propafenone, quinidine
-Certain medications for seizures, such as carbamazepine, phenobarbital, phenytoin
-Dexamethasone
-Dofetilide
-Grapefruit juice
-Nefazodone
-Other medications that cause heart rhythm changes
-St. John's wort
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Bleeding—bloody or black, tar-like stools, vomiting blood or brown material that looks like coffee grounds, red or dark brown urine, small red or purple spots on skin, unusual bruising or bleeding
-Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded
-Heart failure—shortness of breath, swelling of the ankles, feet, or hands, sudden weight gain, unusual weakness or fatigue
-Heart rhythm changes—fast or irregular heartbeat, dizziness, feeling faint or lightheaded, chest pain, trouble breathing
-High thyroid levels (hyperthyroidism)—fast or irregular heartbeat, weight loss, excessive sweating or sensitivity to heat, tremors or shaking, anxiety, nervousness, irregular menstrual cycle or spotting
-Increase in blood pressure
-Kidney injury—decrease in the amount of urine, swelling of the ankles, hands, or feet
-Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
-Low blood sugar (hypoglycemia)—tremors or shaking, anxiety, sweating, cold or clammy skin, confusion, dizziness, rapid heartbeat
-Low thyroid levels (hypothyroidism)—unusual weakness or fatigue, increased sensitivity to cold, constipation, hair loss, dry skin, weight gain, feelings of depression
-Osteonecrosis of the jaw—pain, swelling, or redness in the mouth, numbness of the jaw, poor healing after dental work, unusual discharge from the mouth, visible bones in the mouth
-Redness, blistering, peeling, or loosening of the skin, including inside the mouth
-Stomach pain, bloody diarrhea, pale skin, unusual weakness or fatigue, decrease in the amount of urine, which may be signs of hemolytic uremic syndrome
-Sudden and severe headache, confusion, change in vision, seizures, which may be signs of posterior reversible encephalopathy syndrome (PRES)
-TTP—purple spots on the skin or inside the mouth, pale skin, yellowing skin or eyes, unusual weakness or fatigue, fever, fast or irregular heartbeat, confusion, change in vision, trouble speaking, trouble walking
-Tumor lysis syndrome (TLS)—nausea, vomiting, diarrhea, decrease in the amount of urine, dark urine, unusual weakness or fatigue, confusion, muscle pain or cramps, fast or irregular heartbeat, joint pain
Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
-Change in taste
-Diarrhea
-Loss of appetite with weight loss
-Nausea
-Pain, redness, or swelling with sores inside the mouth or throat
-Stomach pain
-Unusual weakness or fatigue
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.