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Medicines isoniazid + rifampicinQuestion & answer

isoniazid + rifampicin · Medicine question

Can it stain contact lenses?

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Answer

Yes. Orange-red tears can permanently stain soft contact lenses; ask the eye-care or TB team about alternatives.

Sources for this answer

Rifinah 300mg/150mg Tabletsemc · SmPC Current selected SmPC · Version 27

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The full medicine guide

isoniazid + rifampicin

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

Read the isoniazid + rifampicin guide

More questions about isoniazid + rifampicin

Why can body fluids turn orange-red?Does it affect contraception?Why might vitamin B6 be prescribed?Can it damage the liver?Can alcohol be used?Why should treatment not be stopped and restarted?

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