dexpanthenol + xylometazoline hydrochloride · Medicine question

What warning applies to Sudafed Plus Blocked Nose nasal spray in people with long QT syndrome?

Name: What warning applies to Sudafed Plus Blocked Nose nasal spray in people with long QT syndrome?
Published: 2026-11-08T13:48:27.922Z

iatroX medicinesPublished 8 November 2026

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People with long QT syndrome treated with Sudafed Plus Blocked Nose nasal spray may be at increased risk of serious ventricular arrhythmias because it contains xylometazoline.

Sources for this answer

Sudafed Plus Blocked Nose 1mg/50mg/ml Nasal SprayMcNeil Products Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 3Document updated 23 October 2026

Sources checked 8 November 2026

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