familial hemiplegic migraine

ORPHA: 569

Overview

migraine with aura that is characterized by temporary numbness or weakness, often affecting one side of the body

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 familial hemiplegic migraine, sourced from HPO and Orphanet clinical annotations.

Focal manual automatism seizureFocal pedal automatism seizureCSF lymphocytic pleiocytosisTinnitusComaCerebellar atrophyHemiplegiaAphasiaLanguage impairmentFacial paralysisGaze-evoked horizontal nystagmusDistal upper limb muscle weaknessVertical nystagmusImpaired temperature sensationSpontaneous pain sensationEEG with generalized sharp slow wavesSeesaw nystagmusNuchal rigidityDecreased vigilanceAlien limb phenomenonIntellectual disabilityStatus epilepticusFirst dorsal interossei muscle weaknessEEG with focal sharp wavesAmaurosis fugaxMuscle weaknessMigraine with auraAbnormal speech patternEEG abnormalityFocal motor seizureFocal sensory seizureHearing impairmentScotomaDiplopiaDysarthriaHemiparesisConfusionTongue fasciculationsPostural instabilityCerebral edemaVertigoIncreased CSF protein concentrationParesthesiaInvoluntary movementsProgressive gait ataxiaDissociated sensory lossComplex febrile seizureFacial ticsCSF pleocytosisMetamorphopsiaPhotopsia

Classification & Codes

Orphanet Code

ORPHA:569
familial hemiplegic migraine
OrphanetORPHA:569
Treatments0 drug(s)
Symptoms on record51 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO
familial hemiplegic migraine | OrphanDrug