Answer
Potentially life-threatening anaphylactic reactions, hypersensitivity reactions and angioedema have been reported with Oroeze benzydamine hydrochloride spray, with frequencies unknown.
Sources for this answer
- Benzydamine 0.15%w/v Oromucosal SprayADVANZ Pharma · emc · SmPC §4.8 Undesirable effects · Version 8Document updated
Sources checked