diphtheria, tetanus and pertussis vaccine · Medicine question

What history of encephalopathy is a contraindication to ADACEL?

Name: What history of encephalopathy is a contraindication to ADACEL?
Published: 2026-11-08T01:45:25.505Z

iatroX medicinesPublished 8 November 2026

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ADACEL is contraindicated in people who experienced encephalopathy of unknown origin within 7 days of previous immunization with a pertussis-containing vaccine.

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ADACEL suspension for injection in pre-filled syringe.SANOFI · emc · SmPC §4.3 Contraindications · Version 4Document updated 1 June 2026

Sources checked 8 November 2026

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