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Medicines iohexolQuestion & answer

iohexol · Medicine question

Can Omnipaque (iohexol) worsen myasthenia gravis symptoms?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Yes, Omnipaque (iohexol), an iodinated contrast medium, may aggravate the symptoms of myasthenia gravis.

Sources for this answer

Omnipaque Injection 300mg I/ml solution for injectionGE Healthcare Limited · emc · SmPC §4.4 Special warnings and precautions for use · Version 4Document updated 27 January 2025

Sources checked 8 November 2026

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iohexol

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