MELAS syndrome

MELAS (Mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke) syndrome is a rare progressive multisystemic disorder characterized by encephalomyopathy, lactic acidosis, and stroke-like episodes. Other features include endocrinopathy, heart disease, diabetes, hearing loss, and neurological and psychiatric manifestations.

What is MELAS syndrome?

MELAS syndrome is a medical condition. A condition is a disease, disorder, or abnormal state that affects the body or mind. This page provides educational information only and is not a diagnosis.

If you think you may have MELAS syndrome, speak with a qualified healthcare provider for evaluation and guidance.

Symptoms that may be associated with MELAS syndrome

Bilateral sensorineural hearing impairmentBilateral tonic-clonic seizureEpisodic vomitingHemiparesisHypertensionMigraineProgressive sensorineural hearing impairment

When to seek medical care

Seek medical advice if you have symptoms that are severe, persistent, or affecting your daily life. Emergency care is needed for symptoms like chest pain, difficulty breathing, confusion, or severe weakness.