Answer
Allergic reactions reported with Benylin Herbal Chesty Coughs Sugar Free Syrup include urticaria, skin rash and dyspnoea; their frequency is unknown.
Sources for this answer
- Benylin Herbal Chesty Coughs Sugar Free SyrupMcNeil Products Ltd · emc · SmPC §4.8 Undesirable effects · Version 1Document updated
Sources checked