The fever, not the vaccination, causes the seizure. Most febrile seizures produce no lasting effects. Simple febrile seizures don't cause brain damage, intellectual disability or learning disabilities, and they don't mean your child has a more serious underlying disorder. Febrile seizures are provoked seizures and don't indicate epilepsy.
Epilepsy is a condition characterized by recurrent unprovoked seizures caused by abnormal electrical signals in the brain. The most common complication is the possibility of more febrile seizures. The risk of recurrence is higher if:. Most febrile seizures occur in the first few hours of a fever, during the initial rise in body temperature. Giving your child infants' or children's acetaminophen Children's Non-Aspirin Tylenol, others or ibuprofen Infants' Motrin, Children's Motrin, others at the beginning of a fever may make your child more comfortable, but it won't prevent a seizure.

Use caution when giving aspirin to children or teenagers. Though aspirin is approved for use in children older than age 3, children and teenagers recovering from chickenpox or flu-like symptoms should never take aspirin. This is because aspirin has been linked to Reye's syndrome, a rare but potentially life-threatening condition, in such children. Rarely, prescription anticonvulsant medications are used to try to prevent febrile seizures.
However, these medications can have serious side effects that may outweigh any possible benefit.
Rectal diazepam Diastat or nasal midazolam might be prescribed to be used as needed for children who are prone to long febrile seizures. These medications are typically used to treat seizures that last longer than five minutes or if the child has more than one seizure within 24 hours. They are not typically used to prevent febrile seizures.
Your child may get a temperature 8 to 14 days after the shot. Some children, especially babies under 12 months old, may need medical tests. Children who are younger than 15 months when they have the first one are more likely to have a repeat. Your doctor may prescribe antiseizure medicine to give your child at home. Your child should have normal development and learning after a febrile seizure.
A simple febrile seizure should not cause any long-term consequences. Who Gets a Febrile Seizure?
What Does It Look Like? That depends on the type of febrile seizure. These are the most common reasons for a fever: Stay calm and act fast to prevent an injury: Should I Get Emergency Help? Clinical neurology 8th ed.
Canadian family physician Medecin de famille canadien. Should children who have a febrile seizure be screened for iron deficiency? Archives of Disease in Childhood. The Cochrane Database of Systematic Reviews. Archived from the original on 28 July Retrieved 9 August This article incorporates text from this source, which is in the public domain. Journal of child neurology. Seizures and epilepsy G40—G41 , Seizure types Aura warning sign Postictal state Epileptogenesis Neonatal seizure Epilepsy in children. Anticonvulsants Electroencephalography diagnosis method Epileptologist.
Epilepsy and driving Epilepsy and employment. Seizures Simple partial Complex partial Gelastic seizure Epilepsy Temporal lobe epilepsy Frontal lobe epilepsy Rolandic epilepsy Nocturnal epilepsy Panayiotopoulos syndrome. Epilepsia partialis continua Complex partial status epilepticus. Febrile seizure Psychogenic non-epileptic seizures. Sudden unexpected death in epilepsy Todd's paresis Landau-Kleffner syndrome Epilepsy in animals.
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