You are here Home Glossary of technical terms Glossary of technical terms seizure Listen Print Share Twitter Facebook Email A sudden loss of consciousness and generalised, tonic, clonic, tonic–clonic or atonic motor manifestations. Types of seizures include: febrile seizures, with fever >38.5°C afebrile seizures, without fever syncopal seizures, with fainting (syncope, vasovagal episode) followed by seizure(s) Page history Last updated 11 June 2018 Last reviewed 11 August 2018 Is there anything wrong with this page? Help us improve the Australian Immunisation Handbook What you were doing? (required) What went wrong? (required) Leave this field blank