What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. You will need frequent blood checks.
If you get a cold or other infection while receiving this medicine, call your doctor or health care professional. Do not treat yourself. The medicine may decrease your body's ability to fight infections.
Talk to your doctor about your risk of cancer. You may be more at risk for certain types of cancers if you take this medicine.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
Side Effects to watch for
Side effects that you should report to your doctor or health care professional as soon as possible:
- allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
- burning or tingling in the hands or feet
- changes in vision
- fast or irregular heartbeat
- feeling faint or lightheaded, falls
- fever, chills or any other sign of infection
- frequent urination
- increased thirst or hunger
- loss of appetite
- pain or difficulty passing urine
- severe headache
Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):
What may interact with this drug?
Do not take this medicine with any of the following medications:
- certain medicines for fungal infections like fluconazole, itraconazole, ketoconazole, posaconazole, voriconazole
This medicine may also interact with the following medications:
- alcohol and medicines that contain alcohol
- antiviral medicines for HIV or AIDS
- certain antibiotics like aminoglycosides, chloramphenicol, clarithromycin, erythromycin, rifabutin, rifampin, troleandomycin
- certain calcium channel blockers like diltiazem, nicardipine, nifedipine, verapamil
- certain medicines for fungal infections like amphotericin B, caspofungin, clotrimazole
- certain medicines for seizures like carbamazepine, phenobarbital, phenytoin
- certain medicines for stomach problems like antacids, cimetidine, famotidine, lansoprazole, metoclopramide, omeprazole
- ethinyl estradiol
- grapefruit juice
- other medicines that prolong the QT interval (cause an abnormal heart rhythm)
- St. John's wort
- steroid medicines like prednisone, cortisone, methylprednisone