colistimethate sodium · Medicine question

What caution applies to combining colistimethate sodium with azithromycin or clarithromycin in patients with myasthenia gravis?

Name: What caution applies to combining colistimethate sodium with azithromycin or clarithromycin in patients with myasthenia gravis?
Published: 2026-11-08T13:43:30.973Z

iatroX medicinesPublished 8 November 2026

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Co-treatment with Colomycin (colistimethate sodium) and macrolides such as azithromycin or clarithromycin should be undertaken with caution in patients with myasthenia gravis.

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Colomycin (Colistimethate Sodium) 1 MIU Powder for Injection, Infusion or InhalationTeva UK Limited · emc · SmPC §4.5 Interaction with other medicinal products · Version 7Document updated 12 July 2023

Sources checked 8 November 2026

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