Monarch Disease Ontology entry MONDO_0005579 (idiopathic generalized epilepsy) is a generalised epilepsy that encompasses several common seizure phenotypes including childhood absence epilepsy, juvenile absence epilepsy, juvenile myoclonic epilepsy and epilepsy with generalized tonic-clonic seizures alone. These epilepsy syndromes have polygenic inheritance with or without environmental factors contributing to seizure susceptibility. Seizure types include one or a combination of absence seizures, myoclonic seizures and/or generalized tonic-clonic seizures. Also known as: EIG, IGE, epilepsy, idiopathic generalized, hereditary idiopathic generalized epilepsy, idiopathic generalised epilepsy.