Pure mitochondrial myopathy
ORPHA: 254854
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 Pure mitochondrial myopathy, sourced from HPO and Orphanet clinical annotations.
Exercise intoleranceDifficulty climbing stairsProximal muscle weaknessDifficulty runningFrequent fallsDistal muscle weaknessWaddling gaitHyporeflexia of lower limbsGowers signShoulder girdle muscle weaknessNeck flexor weaknessPelvic girdle muscle weaknessProximal amyotrophyExercise-induced muscle fatigueFatigable weakness of neck musclesProgressive external ophthalmoplegiaDysarthriaBilateral ptosisLoss of ambulationLumbar hyperlordosisMyalgiaAxial muscle weaknessMuscle spasmQuadriceps muscle weaknessFatigable weakness of bulbar musclesFatigable weakness of swallowing musclesDiplopiaHypotoniaMotor delayScoliosisRhabdomyolysisRecurrent myoglobinuriaScapular winging
Classification & Codes
Orphanet Code
ORPHA:254854Pure mitochondrial myopathy
| Orphanet | ORPHA:254854 |
| Treatments | 0 drug(s) |
| Symptoms on record | 33 signs |
| Status | published |
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO