label: metabolic myopathy due to lactate transporter defect
label_lc: metabolic myopathy due to lactate transporter defect
description: Metabolic myopathy due to lactate transporter defect is a rare metabolic myopathy characterized by muscle cramping and/or stiffness after exercise (especially during heat exposure), post-exertional rhabdomyolysis and myoglobinuria, and elevation of serum creatine kinase.