Theophylline toxicity symptoms — GPhC CRA MCQ
Instant feedback + full explanation. One question, done properly.
Educational content. Not a substitute for clinical judgement or local policy.
Reveal the answer and explanation
Correct answer: D — Withhold supply advice and contact the prescriber urgently
Theophylline has a narrow therapeutic index and interacting macrolides can precipitate toxicity. 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; NICE CKS; BTS/NICE/SIGN asthma guideline