Drugs Home > Ivacaftor

Ivacaftor is prescribed for the treatment of cystic fibrosis. It is specifically designed to treat adults and children as young as six years old who have specific gene mutations. This medication comes as a tablet that is taken once or twice daily, or twice a week, depending on various factors. Throat pain and headaches are some of the commonly reported side effects.

What Is Ivacaftor?

Ivacaftor (Kalydeco™) is a prescription medication approved for the treatment of cystic fibrosis. Specifically, it is approved for use in adults and children as young as 6 years old who have certain mutations of the CF gene.
(Click What Is Ivacaftor Used For? for more information on this topic, including possible off-label uses.)

Are There Side Effects?

Just like any medicine, ivacaftor may cause side effects. However, not everyone who takes the drug will experience problems. In fact, most people tolerate it quite well.
If reactions do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider. Serious side effects are less common.
Common ivacaftor side effects include but are not limited to:
(Click Ivacaftor Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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