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Kalydeco

Specialty Drug

Ivacaftor

IVACAFTOR is used to treat cystic fibrosis (CF) in patients who have certain mutations in their CF gene. The lowest GoodRx price for the most common version of Kalydeco is around $23,737.41, 28% off the average retail price of $33,227.16. Compare CFTR potentiators.

Prescription Settings

Kalydeco Side Effects

What should I watch for?

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

Your vision and blood may be tested before and during use of this medicine.

Tell your doctor or health care professional right away if you have any change in your eyesight.

You may get dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. To avoid dizzy or fainting spells, do not stand or sit up quickly, especially if you are an older person. Alcohol can make you more drowsy and dizzy. Avoid alcoholic drinks.

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:

More common

Body aches or pain

chest pain

chills

cough

difficulty with breathing or troubled breathing

ear congestion

fever

headache

loss of voice

unusual tiredness or weakness

Less common

Dark urine

fever with or without chills

light-colored stools

loss of appetite

nausea

stomach pain

vomiting

yellow eyes or skin

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:

More common

Blemishes on the skin

diarrhea

difficulty with moving

dizziness

muscle aches, pain, or stiffness

pain in the joints

pimples

rash

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.

Other CFTR potentiators

Tobrex

Other Conditions

Cystic Fibrosis

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