Answer
Warmth, burning, tingling, numbness or irritation in the mouth or throat are recognised effects. Stop and seek advice if irritation is marked or an allergic reaction is suspected.
Sources for this answer
- Strefen Direct Cherry and Mint Flavour 8.75mg Oromucosal Spray — Current selected SmPCemc · Summary of Product Characteristics
- Strefen Eucalyptus and Manuka Honey Flavour 8.75mg Lozenges — Current selected SmPCemc · Summary of Product Characteristics