chlorhexidine dihydrochloride + lidocaine hydrochloride · Medicine question

Which allergies contraindicate the use of Covonia Medicated Sore Throat Lemon Flavour lozenges?

iatroX medicinesPublished 8 November 2026

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Covonia Medicated Sore Throat Lemon Flavour lozenges are contraindicated in anyone hypersensitive to chlorhexidine, lidocaine or any excipient, particularly those allergic to local anaesthetics such as lidocaine.

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Covonia Medicated Sore Throat 5mg/1mg Lozenges Lemon FlavourThornton & Ross Ltd · emc · SmPC §4.3 Contraindications · Version 5Document updated 15 August 2025

Sources checked 8 November 2026

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