Infantile epileptic-dyskinetic encephalopathy is a monogenic disease with epilepsy characterized by developmental delay and infantile spasms in the first months of life, followed by chorea and generalized dystonia and progressing to quadriplegic dyskinesia, recurrent status dystonicus, intractable focal epilepsy and severe intellectual disability. The disease is infantile epileptic-dyskinetic encephalopathy (MONDO_0018226, a Monarch Disease Ontology term).