Several risk factors have been identified that increase your child's likelihood of experiencing a febrile seizure. These include:

  • Young age. Young age is the strongest risk factor, and most febrile seizures are seen in children who are between 6 months and 5 years of age. It's unusual for children under 6 months old to have a febrile seizure, and it's rare for these seizures to occur after 3 years of age. About 1 in 25 children experience a febrile seizure.
  • Family history. Some children inherit a family's tendency to have seizures with a fever. Additionally, researchers have linked several genes to a susceptibility to febrile seizures.
Jan. 24, 2012

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