Answer
Yes, chlorhexidine in Covonia Sore Throat Menthol Flavour Spray may cause temporary taste disturbances or a burning sensation of the tongue.
Sources for this answer
- Covonia Sore Throat 0.2%/0.05%w/v Oromucosal Spray Menthol FlavourThornton & Ross Ltd · emc · SmPC §4.8 Undesirable effects · Version 9Document updated
Sources checked