Answer
Patients with long QT syndrome using Otrivine Extra Dual Relief nasal spray may be at increased risk of serious ventricular arrhythmias from xylometazoline, so the product must be administered with caution.
Sources for this answer
- Otrivine Extra Dual Relief 0.5 mg/ml + 0.6 mg/ml nasal spray, solutionHaleon Dungarvan · emc · SmPC §4.4 Special warnings and precautions for use · Version 7Document updated
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