dextromethorphan hydrobromide + menthol · Medicine question

How does cimetidine affect the elimination of dextromethorphan in Covonia Original Bronchial Balsam Syrup?

Name: How does cimetidine affect the elimination of dextromethorphan in Covonia Original Bronchial Balsam Syrup?
Published: 2026-11-08T01:45:19.145Z

iatroX medicinesPublished 8 November 2026

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Cimetidine may delay elimination of dextromethorphan in Covonia Original Bronchial Balsam Syrup, so the syrup's dose must not be exceeded when taken with other medicines.

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Covonia Original Bronchial Balsam SyrupThornton & Ross Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 8Document updated 15 July 2021

Sources checked 8 November 2026

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