Can the colouring azorubine (E122) in Oraldene (hexetidine) cause allergic reactions?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Yes, azorubine (E122) in Oraldene (hexetidine) may cause allergic reactions.

OraldeneMcNeil Products Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 7Document updated 23 February 2026

Sources checked 8 November 2026

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hexetidine · Medicine question

iatroX medicinesPublished 8 November 2026

The answer

Yes, azorubine (E122) in Oraldene (hexetidine) may cause allergic reactions.

OraldeneMcNeil Products Ltd · emc · SmPC §4.4 Special warnings and precautions for use · Version 7Document updated 23 February 2026

Sources checked 8 November 2026

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