Seizures: risks for recurrence
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Seizures: risks for recurrence. The risk is <20% at 6 months. The risk increases to 40-50% at 2 years. Fully referenced neurology checklist.
Recurrence risk after first seizure
- The risk is <20% at 6 months
- The risk increases to 40-50% at 2 years
- Seizure recurrence after 24 hours indicates epilepsy
Subject-related risk factors
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Seizure-related risk factors
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Pathology-related risk factors
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Environmental risk factors
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Treatment-related risk factors
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Risk factors for poor seizure control at 5 years
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References
- Berg AT. Risk of recurrence after a first unprovoked seizure. Epilepsia 2008; 49(suppl. 1):13-18.
- Seneviratne U. Management of the first seizure: an evidence based approach. Postgrad Med J 2009; 85:667-673.
- Pohlmann-Eden B, Beghi E, Camfield C, Camfield P. The first seizure and its management in adults and children. BMJ 2006; 332:339-342.
- Hesdorffer DC, Shinnar S, Lax DN, et al; FEBSTAT study team. Risk factors for subsequent febrile seizures in the FEBSTAT study. Epilepsia 2016; 57:1042-1047.
- Bonnett LJ, Tudur-Smith C, Williamson PR, Marson AG. Risk of recurrence after a first seizure and implications for driving: further analysis of the Multicentre study of early Epilepsy and Single Seizures. BMJ 2010; 341:c6477.
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