prescribing safety assessment MCQ (SBA): Warfarin–macrolide interaction

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

MediumPharmacologyWarfarin–macrolide interactionprescribing safety assessmentmrcgp aktukmlapane

A 56-year-old with H. pylori-positive peptic ulcer is treated with triple therapy. He is on warfarin. Which antibiotic in triple therapy raises most concern for INR elevation?

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