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Medicines benzydamine hydrochlorideQuestion & answer

benzydamine hydrochloride · Medicine question

Why does benzydamine hydrochloride make my mouth feel numb or sting?

iatroX medicinesPublished 19 August 2026Reviewed 19 August 2026

The answer

Answer

Temporary numbness and stinging are recognised local adverse reactions. Discuss persistent or troublesome symptoms with a pharmacist or prescriber.

Sources for this answer

NHSNHS · NHS medicine guidance
Benzydamine 0.15% w/v Mouthwashemc · SmPC Current selected SmPC · Version 9

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benzydamine hydrochloride

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