skip to main content

Enzyme inducer and steroid — GPhC CRA MCQ

Instant feedback + full explanation. One question, done properly.

ModerateDrug InteractionsEnzyme inducer and steroidGPhC CRA

A patient taking carbamazepine is prescribed prednisolone for an inflammatory flare. Symptoms have not improved as expected. What is the most important interaction to flag?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: E — Reduced corticosteroid exposure and reduced response

Carbamazepine induces metabolism and can reduce steroid effect. The best answer addresses the key safety, legal or pharmaceutical care issue in the vignette. The other options would either delay appropriate care, create a new risk, or fail to resolve the issue. This is consistent with the cited UK reference for safe pharmacy practice.

Reference: BNF