- ill appearing
- between 6 - 12 months whose immunizations are not up to date
- pretreated with antibiotics
This replaces the previous AAP recommendation in 1996 that an LP be "strongly considered" in all children < 12 months who present with a simple febrile seizure.
Source
Subcommittee on Febrile Seizures. Clinical practice guideline — Neurodiagnostic evaluation of the child with a simple febrile seizure. Pediatrics 2011 Feb; 127:389.