Vemurafenib Side Effects
What should I watch for?
Visit your doctor for regular check ups. You will need to have blood work while you are taking this medicine.
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.
Tell your doctor or health care professional right away if you have any change in your eyesight.
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.
Do not become pregnant while taking this medicine and for 2 weeks after your last dose. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is 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 and for 2 weeks after your 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:
Blistering, peeling, or loosening of the skin
bloating or swelling of the face, arms, hands, lower legs, or feet
blurred vision or other change in vision
decreased frequency or amount of urine
fast or irregular heartbeat
increased sensitivity of the skin to sunlight
itching or skin rash
joint or muscle pain
loss of appetite
lower back or side pain
lump or growth on the skin
pain in the ankles or knees
painful, red lumps under the skin, mostly on the legs
paralysis of the nerves
rapid weight gain
rash with flat lesions or small raised lesions on the skin
red skin lesions, often with a purple center
red, irritated eyes
redness or other discoloration of the skin
redness, soreness, swelling, or itching of the skin
scaling of the skin on the hands and feet
sensitivity of the eye to light
sores, ulcers, or white spots in the mouth or on the lips
sores, welts, or blisters
tingling of the hands and feet
ulceration of the skin
unusual tiredness or weakness
unusual weight gain or loss
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:
Back or bone pain
change in taste
difficulty having a bowel movement
difficulty with moving
hair loss or thinning of the hair
lack or loss of strength
loss of taste
pain in the arms or legs
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.