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Medicines ivacaftorQuestion & answer

ivacaftor · Medicine question

Why are liver blood tests needed?

iatroX medicinesMedicine guide reviewed 20 August 2026

The answer

Answer

Ivacaftor-containing treatments can raise liver enzymes and have rarely been associated with serious liver injury.

Sources for this answer

Kalydeco 50 mg granules in sachet — Current selected SmPCemc · Summary of Product Characteristics
Kalydeco 75 mg film-coated tablets — Current selected SmPCemc · Summary of Product Characteristics
UK Government

UK Government · Reputable Web

General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.

The full medicine guide

ivacaftor

Read the wider context, including uses, precautions and the sources behind this medicine guide.

Read the ivacaftor guide

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