Febrile Seizures

Febrile seizures are convulsions or seizures in infants or small children that are brought on by a fever. Most often during a febrile seizure, a child loses consciousness and shakes uncontrollably. Less commonly, a child becomes rigid or has twitches ...1

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Symptoms of Febrile Seizures

The vast majority of febrile seizures are convulsions. Most often during a febrile seizure, a child will lose consciousness and both arms and legs will shake uncontrollably. Less common symptoms include eye rolling, rigid (stiff) limbs, or twitching on only ...2

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Complications of Febrile Seizures

Most febrile seizures last only a few minutes and are accompanied by a fever above 101F (38.3C). Although they can be frightening for parents, brief febrile seizures (less than 15 minutes) do not cause any long-term ...3

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Causes of Febrile Seizures

Causes of febrile seizures The cause of febrile seizures is unknown, although they're linked to the start of a fever, a high temperature of 38C (100.4F) or above. There may also be a genetic link to febrile seizures ...4

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Causes List for Febrile Seizures

Some possible causes of Febrile Seizures or similar disorders may include:5

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Types of Febrile Seizures

Some of the types of this condition may include:6 Types of Febrile seizures:

  • Complex febrile seizures
  • Simple febrile seizures
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Diagnosis of Febrile Seizures

How are febrile seizures evaluated? Before diagnosing febrile seizures in infants and children, doctors sometimes perform tests to be sure that the seizures are not caused by an underlying or more serious health condition. For example, meningitis, an infection of ...7

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Risk Factors for Febrile Seizures

Children at highest risk for recurrence are those who have:

  • their first febrile seizure at a young age (younger than 18 months)
  • a family history of febrile seizures
  • a febrile seizure as the first sign of an illness
  • a relatively ...
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Treatments: Febrile Seizures

Antiseizure medications following a febrile seizure are generally not warranted unless certain other conditions are present: a family history of epilepsy, signs of nervous system impairment prior to the seizure, or a relatively prolonged or complicated seizure. The risk of ...8

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Prevention of Febrile Seizures

Can subsequent febrile seizures be prevented? Experts recommend that children who have experienced a febrile seizure not take any antiseizure medication to prevent future seizures, as the side effects of these daily medications outweigh any benefits. This is especially true ...9

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Research for Febrile Seizures

What research is being done on febrile seizures? The mission of the National Institute of Neurological Disorders and Stroke (NINDS) is to seek fundamental knowledge about the brain and nervous system and to use that knowledge to reduce the burden ...10

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  1. Source: NINDS (NIH): ninds.nih.gov/ disorders/ febrile_seizures/ febrile_seizures.htm
  2. Source: NINDS (NIH): ninds.nih.gov/ disorders/ febrile_seizures/ detail_febrile_seizures.htm
  3. ibid.
  4. Source: NHS Choices UK: nhs.uk/ conditions/ febrile-seizures/ 
  5. Source: Algorithmically Generated List
  6. Source: Human Phenotype Ontology
  7. Source: NINDS (NIH): ninds.nih.gov/ disorders/ febrile_seizures/ detail_febrile_seizures.htm
  8. Source: NINDS (NIH): ninds.nih.gov/ disorders/ epilepsy/ detail_epilepsy.htm
  9. Source: NINDS (NIH): ninds.nih.gov/ disorders/ febrile_seizures/ detail_febrile_seizures.htm
  10. ibid.

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