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Medicines ivacaftor + lumacaftorQuestion & answer

ivacaftor + lumacaftor · Medicine question

Can it cause a positive cannabis urine screen?

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Answer

False-positive THC screening tests have been reported. A confirmatory test using a different method should be considered.

Sources for this answer

Orkambi 150 mg/188 mg granules in sachetemc · SmPC Current selected SmPC · Version 10
Orkambi 200 mg/125 mg film coated tabletsemc · SmPC Current selected SmPC · Version 19

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ivacaftor + lumacaftor

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