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Medicines azithromycin dihydrateQuestion & answer

azithromycin dihydrate · Medicine question

Can azithromycin worsen myasthenia gravis?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Yes, worsening of myasthenia gravis symptoms and new onset of myasthenia syndrome have been reported in patients receiving azithromycin.

Sources for this answer

Zithromax 250 CapsulesPfizer Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 36Document updated 2 June 2025

Sources checked 8 November 2026

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azithromycin dihydrate

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