Febrile seizures after childhood vaccinations rare, according to study

Seizures caused by fevers in children as a result of vaccinations are extremely rare, according to a new study published in Pediatrics.

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For the study, researchers determined the risk of febrile seizures zero to one day after vaccination for all routinely administered vaccines for pediatric patients aged 6 through 23 months. The data was collected from a large population size between 2006 and 2011.

Researchers found that vaccinations were linked to febrile seizures in 3 out of 10,000 children. Also, among the 333 febrile seizures recorded among the study’s populations, half had experienced a previous febrile seizure unrelated to vaccination.

According to Mark Schleiss, MD, director of pediatric infectious diseases at the University of Minnesota, approximately 20 percent of children hospitalized for influenza experience febrile seizures. Dr. Schleiss told NPR, “If you’re really concerned about febrile seizures, the smartest strategy is to protect your child against the infection with the vaccine… I find this paper reassuring about vaccine safety.”

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