What should I watch for?
Visit your doctor for checks on your progress. You will need to have regular blood tests while on this medicine. Report any new symptoms promptly. Continue your course of treatment even though you feel ill unless your doctor tells you to stop.
Call your doctor or health care professional for advice if you get a fever, chills or sore throat, or other symptoms of a cold or flu. Do not treat yourself. This drug decreases your body's ability to fight infections. Try to avoid being around people who are sick.
This medicine may increase your risk to bruise or bleed. Call your doctor or health care professional if you notice any unusual bleeding.
Do not become pregnant while taking this medicine or for at least 14 days after. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information. Do not breast-feed an infant while taking this medicine or for at least 14 days after the last dose.
Common and Rare Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:
Black, tarry stools
blood in the urine or stools
difficult or labored breathing
flushed, dry skin
fruit-like breath odor
irregular heartbeat, recurrent
itching, skin rash
loss of appetite
lower back or side pain
muscle aches, cramps, or pain
no blood pressure
numbness, tingling, pain, or weakness in the hands or feet
painful or difficult urination
pinpoint red spots on the skin
stomach pain or tenderness
stuffy or runny nose
swelling of the hands, ankles, feet, or lower legs
tightness in the chest
troubled breathing with exertion
ulcers, sores, or white spots in the mouth
unexplained weight loss
unusual bleeding or bruising
unusual tiredness or weakness
weakness and heaviness of the legs
yellow eyes or skin
Decreased urine output
loss of consciousness
muscle cramps in the hands, arms, feet, legs, or face
numbness and tingling around the mouth, fingertips, or lips
rapid weight gain
Less common or rare
bloody or cloudy urine
body aches or pain
cough producing mucus
dry skin and hair
frequent urge to urinate
loss of voice
pain or tenderness around the eyes and cheekbones
sensitivity to heat
swelling or puffiness of the face
tender, swollen glands in the neck
white patches in the mouth or throat or on the tongue
Incidence not known
Pain or swelling of the treated skin
rapid, shallow breathing
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.