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Generic Name: ivacaftor and lumacaftor (EYE va KAF tor and LOO ma KAF tor)
Brand Names: Orkambi
Orkambi (lumacaftor/ivacaftor) is used to treat cystic fibrosis. Includes Orkambi side effects, interactions and indications information.
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Drug Information:
Orkambi contains a combination of ivacaftor and lumacaftor. Ivacaftor and lumacaftor is used to treat cystic fibrosis in adults and children who are at least 2 years old. Orkambi is for use only in patients with a specific gene mutation related to cystic fibrosis. Before you take Orkambi, you may need a medical test to make sure you have this gene mutation. Orkambi can cause serious side effects. High liver enzymes in the blood, which can be a sign of liver injury, have been reported in patients receiving this medicice. Your doctor will do blood tests to check your liver. Learn more

Orkambi Side Effects

Orkambi Side Effects

Note: This document contains side effect information about ivacaftor / lumacaftor. Some of the dosage forms listed on this page may not apply to the brand name Orkambi.

In Summary

Common side effects of Orkambi include: upper respiratory tract infection, dyspnea, chest discomfort, nausea, and skin rash. Other side effects include: influenza, and flatulence. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to ivacaftor / lumacaftor: oral granule, oral tablet

Along with its needed effects, ivacaftor / lumacaftor 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 while taking ivacaftor / lumacaftor:

More common

  • Difficult or labored breathing
  • tightness in the chest
  • upper abdominal or stomach pain

Incidence not known

  • Blurred vision
  • dark urine
  • discomfort in the upper right stomach area
  • dizziness
  • general feeling of tiredness or weakness
  • headache
  • light-colored stools
  • loss of appetite
  • nausea
  • nervousness
  • pounding in the ears
  • slow or fast heartbeat
  • stomach pain, continuing
  • unusual tiredness
  • vomiting
  • yellow eyes or skin

Some side effects of ivacaftor / lumacaftor 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

  • Absent, missed, or irregular menstrual periods
  • bloated feeling
  • body aches or pain
  • chills
  • cough
  • cough producing mucus
  • cramps
  • diarrhea
  • ear congestion
  • excess air or gas in the stomach or bowels
  • feeling of fullness
  • fever
  • heavy bleeding
  • increased sputum production
  • longer or heavier menstrual periods
  • loss of voice
  • muscle aches
  • passing gas
  • rash
  • sneezing
  • sore throat
  • stopping of menstrual bleeding
  • stuffy or runny nose
  • unusual weakness

For Healthcare Professionals

Applies to ivacaftor / lumacaftor: oral granule for reconstitution, oral tablet


The most frequently reported side effects were dyspnea, nasopharyngitis, nausea, diarrhea, upper respiratory tract infection, fatigue, respiration abnormal, blood creatine phosphokinase increased, rash, flatulence, rhinorrhea, and influenza.


Very common (10% or more): Infective pulmonary exacerbation of cystic fibrosis (37.5%), cough (30.5%), sputum increased (14.8 %), dyspnea (up to 14%), hemoptysis (13.8%), nasopharyngitis (up to 13%), upper respiratory tract infection (up to 10%)

Common (1% to 10%): Rhinitis, pharyngeal erythema, sinus congestion, respiration abnormal, rhinorrhea, nasal congestion


Very common (10% or more): Nasopharyngitis, nasal congestion

Common (1% to 10%): Sinus congestion, pharyngeal erythema


Very common (10% or more): Nausea (up to 13%), diarrhea (up to 12%), abdominal pain

Common (1% to 10%): Flatulence, oropharyngeal pain, vomiting


Very common (10% or more): Abdominal pain


Common (1% to 10%): Rash

Nervous system

Very common (10% or more): Headache (up to 15.7%), dizziness


Very common (10% or more): Dizziness, headache


Very common (10% or more): Bacteria in sputum

Common (1% to 10%): Blood creatine phosphokinase increased, fatigue, influenza, ear discomfort, ear pain, tinnitus, tympanic membrane hyperemia, vestibular disorder, chest discomfort

Uncommon (0.1% to 1%): Ear congestion


Very common (10% or more): Bacteria in sputum

Common (1% to 10%): Ear discomfort, ear pain, tinnitus, tympanic membrane hyperemia, vestibular disorder

Uncommon (0.1% to 1%): Ear congestion


Very common (10% or more): Breast mass

Uncommon (0.1% to 1%): Breast inflammation, gynecomastia, nipple disorder, nipple pain


Common (1% to 10%): Breast mass

Uncommon (0.1% to 1%): Breast inflammation, gynecomastia, nipple disorder, nipple pain


Common (1% to 10%): Blood pressure increased/hypertension


Common (1% to 10%): AST increased, ALT increased

Uncommon (0.1% to 1%): Hepatic encephalopathy, cholestatic hepatitis

Frequency not reported: Total bilirubin increased

Postmarketing reports: Liver failure leading to death, liver function decompensation


Common (1% to 10%): Menstruation abnormal/irregular, dysmenorrhea, metrorrhagia, amenorrhea, menorrhagia

Uncommon (0.1% to 1%): Oligomenorrhea, polymenorrhea


Frequency not reported: Non-congenital lens opacities

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Orkambi