malignant hyperthermia

MeSH: D008305ORPHA: 423

Overview

genetic disease that is characterized by a drastic and uncontrolled increase in skeletal muscle oxidative metabolism, which overwhelms the body's capacity to supply oxygen, remove carbon dioxide, and regulate body temperature

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 malignant hyperthermia, sourced from HPO and Orphanet clinical annotations.

Metabolic acidosisFeverMalignant hyperthermiaTachypneaHyperphosphatemiaMuscle stiffnessSupraventricular tachycardiaVentricular tachycardiaIntermittent painful muscle spasmsHypercapniaCardiomyocyte mitochondrial proliferationHigh-output congestive heart failureAcute kidney injuryHyperkalemiaMyoglobinuriaAbnormality of the coagulation cascadeAcute hepatic failurePremature ventricular contractionElevated creatine kinase after exerciseAcute rhabdomyolysisNecrotizing myopathyExercise-induced rhabdomyolysisAbnormality of masseter muscle

Classification & Codes

MeSH Code

D008305

Orphanet Code

ORPHA:423
malignant hyperthermia
MeSHD008305
OrphanetORPHA:423
Treatments0 drug(s)
Symptoms on record23 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO