Pediatrics

A 6-month-old boy presents to the Well Baby Clinic for the 6-month vaccination.

The mother states that he has developed febrile seizure with his last DTaP vaccine. Which of the following is the best answer to the mother concerns?

  1. A Delay the vaccination until he is 18 month old
  2. B Febrile seizure is true contraindication to DaP vaccination
  3. C He has to have the vaccine regardless of the adverse reactions
  4. D Febrile seizure does not have long-term sequelae and is not contraindication for subsequent vaccines Correct answer

Explanation

Core Concept: Simple febrile seizures are a known, benign adverse event associated with the fever induced by childhood vaccinations (including DTaP). They do not cause neurological damage and are not a contraindication to future doses.

Clinical Presentation:

  • Brief, generalized tonic-clonic seizure occurring in the setting of fever, without underlying CNS infection or metabolic derangement.
  • Complications: Parental anxiety; very low risk of recurrence or future epilepsy.

Diagnosis:

  • Clinical diagnosis of a simple febrile seizure.

Management:

  • Acute: Reassurance, education on fever management (antipyretics for comfort, though they do not prevent febrile seizures), and supportive care.
  • Long-term/definitive: Continue the routine childhood immunization schedule as planned. The benefits of protection against diphtheria, tetanus, and pertussis far outweigh the risks of a benign febrile seizure.

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