see: [Febrile seizures Camerons](x-devonthink-item://E383FFBD-9FD8-4DE9-B350-0F6F60D3E600?page=867&start=739&length=16&search=Febrile%20seizures) , [RCH Febrile seizure](https://www.rch.org.au/clinicalguide/guideline_index/Febrile_seizure/) see also: [[Seizure (paediatric)|paediatric seizure]], [[Seizures]] > [!key points] > - usually 6 months - 6years > - **not a form of epilepsy** > - no investigations are indicated in simple febrile seizure where focus of infxn identified and child is well > - tends to occur in families > - [[#Complex febrile seizure]] warrants septic work-up # Simple febrile seizure **Fever and ALL of the following:** - generalised tonic-clonic - duration <15 min - complete recovery within 1 hour - do not recur within the same febrile illness > - no investigations are indicated in simple febrile seizure where focus of infxn identified and child is well > - ix for source of fever should be guided by nature of presenation > - no role for EEG in simple febrile seizure and limited in complex febrile seizure > - consider CNS imaging in prolonged or focal febrile seizure *look for following risk factors that make simple febrile seizure unlikely* - <6 months of age (consider [CNS infection](https://www.rch.org.au/clinicalguide/guideline_index/Meningitis_encephalitis/ "CNS infection")) - \>6 years of age - any features of a complex febrile seizure - signs of [CNS infection](https://www.rch.org.au/clinicalguide/guideline_index/Meningitis_encephalitis/ "CNS infection") - previous afebrile seizures  - progressive neurological conditions  - developmental delay or regression ## investigations - No investigation - well child with simple febrile convulsion - clear source of fever on ix that doesn't require investigation - immunised - BSL - all patients essentially - urine specimen - girls <2 years - try and get clean catch - urine supra-pubic aspiration - in kids with history of UTI - blood culture - unwell children with concern of bacterial illness - CXR - only if concern of pneumonia (crackles, tachyponea, hypoxia) - LP - unwell kids with concern of [[Meningitis]] - FBC - unwell children # Complex febrile seizure **Fever and ANY of the following** - focal features at onset or during seizure - duration >15 min - incomplete recovery within 1 hour - recurrence within the same febrile illness # Related Questions ## febrile convulsion - [x] 3Q: [Febrile Convulsion](x-devonthink-item://FE3157C2-07B3-43F2-9ECE-AFACE1355E13?page=56) -- [Answer](x-devonthink-item://DDC959EB-0C1E-448A-8380-C397BF734322?page=27) ## seizure - [ ] 15Q: [4 year old with seizure](x-devonthink-item://B257662E-D069-4044-AF7A-736487B5CA99?page=15) -- [Answer](x-devonthink-item://1658DB69-4D34-47EF-9495-B6B43E0BE3BE?page=18) - [ ] 16Q: [Paediatric seizure](x-devonthink-item://1A2C485F-D4AD-4821-AFF2-452BA753717F?page=26) -- [Answer](x-devonthink-item://FD716379-1A77-4B5B-B257-1154995ECA6E?page=15) - [ ] 23Q: [Seizure](x-devonthink-item://A077BF03-A063-4A6D-9330-67795A4B931D?page=4) -- [Answer](x-devonthink-item://C6B02ACE-5059-45D1-81CD-F99A8A13A863?page=3)