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Alyftrek
VANZACAFTOR; TEZACAFTOR; DEUTIVACAFTOR treats cystic fibrosis (CF). It works by helping your body balance the level of salt and water in your lungs. This prevents the buildup of mucus and reduces the symptoms of CF. The lowest GoodRx price for the most common version of Alyftrek is around $28,296.61, 18% off the average retail price of $34,644.03. Compare CFTR potentiators.
Prescription Settings

Alyftrek Side Effects

What should I watch for?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.

You may need blood work done while you are taking this medication.

Your vision may be tested before and during use of this medication. Tell your care team right away if you have any change in your eyesight.

What are the side effects?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Change in vision
  • Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue

Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

What may interact with this drug?

This medication may affect how other medications work, and other medications may affect the way this medication works. Talk with your care team about all the medications you take. They may suggest changes to your treatment plan to lower the risk of side effects and to make sure your medications work as intended.