chlorhexidine dihydrochloride + lidocaine hydrochloride · Medicine question

How much chlorhexidine is absorbed after oral or topical use, according to the pharmacokinetic information for Covonia Medicated Sore Throat Lemon Flavour lozenges?

iatroX medicinesPublished 8 November 2026

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Answer

According to the pharmacokinetic information for Covonia Medicated Sore Throat Lemon Flavour lozenges, chlorhexidine absorption after oral or topical use is insignificant.

Sources for this answer

Covonia Medicated Sore Throat 5mg/1mg Lozenges Lemon FlavourThornton & Ross Ltd · emc · SmPC §5.2 Pharmacokinetic properties · Version 5Document updated 15 August 2025

Sources checked 8 November 2026

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