methylthioninium chloride · Medicine question

Is methylthioninium chloride contraindicated for methaemoglobinaemia caused by chlorate poisoning?

Name: Is methylthioninium chloride contraindicated for methaemoglobinaemia caused by chlorate poisoning?
Published: 2026-11-08T14:21:03.615Z

iatroX medicinesPublished 8 November 2026

The answer

Answer

Yes, methylthioninium chloride Proveblue is contraindicated in patients with methaemoglobinaemia caused by chlorate poisoning.

Methylthioninium chloride Proveblue 5 mg/ml solution for injectionProvepharm UK Ltd · emc · SmPC §4.3 Contraindications · Version 11Document updated 1 July 2024

Sources checked 8 November 2026

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