Answer
The product information for Covonia Sore Throat Menthol Flavour Spray states that pharmaceutical incompatibilities are “Not applicable.”
Sources for this answer
- Covonia Sore Throat 0.2%/0.05%w/v Oromucosal Spray Menthol FlavourThornton & Ross Ltd · emc · SmPC §6.2 Incompatibilities · Version 9Document updated
Sources checked