naphazoline hydrochloride + witch hazel, distilled · Medicine question

What interaction may occur between Optrex Bloodshot Eye Drops and quinidine?

Name: What interaction may occur between Optrex Bloodshot Eye Drops and quinidine?
Published: 2026-11-08T01:58:06.962Z

iatroX medicinesPublished 8 November 2026

The answer

Answer

Optrex Bloodshot Eye Drops may increase the risk of arrhythmias in patients receiving quinidine.

Optrex Bloodshot Eye DropsReckitt Benckiser Healthcare (UK) Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 6Document updated 1 April 2026

Sources checked 8 November 2026

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