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Medicines isoniazidQuestion & answer

isoniazid · Medicine question

What are the contraindications to isoniazid?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Isoniazid is contraindicated in patients with known hypersensitivity to isoniazid or drug-induced liver disease.

Sources for this answer

Isoniazid Tablets BP 50mgRPH Pharmaceuticals AB · emc · SmPC §4.3 Contraindications · Version 6Document updated 29 August 2025

Sources checked 8 November 2026

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The full medicine guide

isoniazid

Read the wider context, including uses, precautions and the sources behind this medicine guide.

More questions about isoniazid

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Read the isoniazid guide

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