Availability: Caprelsa is only available at certified specialty pharmacies. Learn More
What should I watch for?
Tell your doctor or health care professional right away if you have any change in your eyesight.
You may need blood work done while you are taking this medicine. If you get diarrhea, call your doctor. You may need to have your blood work checked.
Your doctor will monitor your heart while your are taking this medicine. Be sure to keep your appointments.
This medicine can make you more sensitive to the sun. Keep out of the sun while taking this medicine and for 4 months after stopping it. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you.
Do not become pregnant while taking this medicine. Women should use effective birth control while taking this medicine and for 4 months after stopping it. 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.
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:
Abdominal or stomach cramps or pain
body aches or pain
coughing up blood
difficulty with breathing or swallowing
fever or chills
increased menstrual flow or vaginal bleeding
irregular heartbeat recurrent
loss of voice
muscle cramps in the hands, arms, feet, legs, or face
numbness and tingling around the mouth, fingertips, or feet
pounding in the ears
prolonged bleeding from cuts
red or black, tarry stools
red or dark brown urine
slow or fast heartbeat
stuffy or runny nose
tightness in the chest
unusual tiredness or weakness (severe)
watery or bloody diarrhea
Blue lips, fingernails, or skin
chest pain or discomfort
dilated neck veins
foreign substance into the lungs
infection from breathing
irregular, fast or slow, or shallow breathing
swelling of the face, fingers, feet, or lower legs
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:
Acid or sour stomach
blemishes on the skin
blistering, crusting, irritation, itching, or reddening of the skin
change in taste
cracked, dry, or scaly skin
cracks in the skin
discoloration of the fingernails or toenails
hair loss or thinning of the hair
increased sensitivity of the skin to sunlight
lack or loss of strength
loosening of the fingernails
loss of heat from the body
loss of taste
muscle aches or spasms
rash with flat lesions or small raised lesions on the skin
red, swollen skin
redness or other discoloration of the skin
redness or soreness around the fingernails
stomach discomfort or upset
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.