OpenClaim

Lumacaftor Side Effects

The most commonly reported side effects of lumacaftor include infective pulmonary exacerbation of cystic fibrosis, hospitalisation, and dyspnoea, based on 8,588 FDA adverse event reports from 2012 to 2025.

Lumacaftor side effects

Percentages show how often each reaction appears relative to total reports for lumacaftor.

1
Infective Pulmonary Exacerbation Of Cystic Fibrosis17.0%1,464
2
Hospitalisation10.3%886
3
Dyspnoea6.5%561
4
Cough4.6%399
5
Pulmonary Function Test Decreased4.6%399
6
Infection4.3%369
7
Chest Discomfort4.0%345
8
Cystic Fibrosis3.8%329
9
Pneumonia3.1%270
10
Malaise2.7%230
11
Fatigue2.5%214
12
Nasopharyngitis2.4%203
13
Diarrhoea2.3%198
14
Nausea2.2%191
15
Respiration Abnormal2.2%190

These are voluntary reports and do not establish that lumacaftor caused these reactions.

Report severity

63.1%Serious5,421 reports
52.1%Hospitalizations4,476 reports
1.8%Fatal158 reports

Seriousness is determined by the reporter, not by OpenClaim.

Lumacaftor drug interactions

Other drugs that appear in adverse event reports alongside lumacaftor. Drugs flagged as a suspected cause appear in the first column. Drugs taken at the same time but not suspected appear in the second.

Also suspected

1
Ivacaftor93.8%8,059
2
Tobramycin4.2%364
3
Aztreonam3.6%307
4
Dornase-alfa3.2%271
5
Lipase1.0%85
6
Pancrelipase-amylase1.0%84
7
Protease1.0%84
8
Albuterol0.3%28
9
Sodium-chloride0.3%23
10
Meropenem0.2%19
11
Ciprofloxacin0.2%19
12
Azithromycin0.2%19
13
Piperacillin0.2%17
14
Tazobactam-sodium0.2%17
15
Fluticasone0.2%14

Taken alongside

1
Dornase-alfa33.6%2,884
2
Lipase31.2%2,679
3
Pancrelipase-amylase30.7%2,638
4
Protease30.7%2,638
5
Albuterol26.0%2,230
6
Tobramycin14.2%1,220
7
Azithromycin14.0%1,206
8
Fluticasone13.6%1,164
9
Sodium-chloride12.1%1,036
10
Ergocalciferol12.0%1,032
11
Omeprazole9.1%781
12
Aztreonam8.9%761
13
Montelukast-sodium6.2%531
14
Insulin5.8%494
15
Ivacaftor4.9%420

Co-occurrence in adverse event reports does not establish a drug interaction. Patients often take multiple medications, and these lists reflect prescribing patterns rather than causal relationships. Consult a healthcare provider about potential drug interactions.

Who reports lumacaftor side effects

47.7% of lumacaftor adverse event reports involve female patients and 44.5% involve male patients. The largest age group is adult at 50%. These figures reflect who reports side effects, not underlying risk.

Sex

Female47.7%
Male44.5%
Unknown7.8%

Age group

< 20.7%
2–1127.3%
12–1722.1%
18–6449.7%
65+0.3%

What is lumacaftor used for

Conditions and purposes for which patients were taking lumacaftor when the adverse event was reported.

AsthmaAspergillus InfectionBronchiectasisBronchopulmonary AspergillosisBronchopulmonary Aspergillosis AllergicCystic FibrosisCystic Fibrosis LungCystic FibrosisErectile DysfunctionGene MutationHaemoptysisHepatitis CHypovitaminosisInfective Pulmonary Exacerbation Of Cystic FibrosisLiver Disorder

Showing 15 of 35 indications

Lumacaftor brand names and reporting trend

Lumacaftor is sold under the brand name Orkambi.

Brand names

Orkambi103

Quarterly reports (20122025)

20122016202020242025

An upward trend reflects increased FAERS reporting overall, not necessarily increased risk.

Taking lumacaftor with another medication?

Ask OpenClaim about your specific drug combination. Get a sourced report using FDA data, drug labels, and medical literature.