Dravet syndrome
ORPHA: 33069
Overview
epilepsy characterized by frequent febrile seizures and with onset before 1 year
Available Treatments (0)
No treatments linked yet
Clinical trials or compassionate use may be available — consult a specialist.
Clinical Presentation
Signs and symptoms associated with Dravet syndrome, sourced from HPO and Orphanet clinical annotations.
Developmental regressionProgressive gait ataxiaFocal-onset seizureLimited neck range of motionAutistic behaviorAnxietyParkinsonismPhotosensitive myoclonic seizureMyoclonusRigidityBradykinesiaGeneralized myoclonic seizureFocal aware seizureFebrile seizure (within the age range of 3 months to 6 years)Focal impaired awareness seizureCogwheel rigidityFocal hemiclonic seizurePhotosensitive tonic-clonic seizureAtypical absence seizureObsessive-compulsive traitMultifocal epileptiform dischargesGeneralized clonic seizureComplex febrile seizureInterictal epileptiform activityFacial ticsEpilepsia partialis continuaCognitive impairmentShort attention spanPallorPes planusGlobal brain atrophyDroolingIncoordinationAction tremorLimited knee extensionPoor fine motor coordinationPes valgusFloppy infantEEG with focal epileptiform dischargesEEG with generalized epileptiform dischargesDysgenesis of the hippocampusStatus epilepticus without prominent motor symptomsTibial torsionImpulsivityCyanotic episodeGeneralized tonic seizure
Classification & Codes
Orphanet Code
ORPHA:33069Dravet syndrome
| Orphanet | ORPHA:33069 |
| Treatments | 0 drug(s) |
| Symptoms on record | 46 signs |
| Status | published |
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO