Alternative Names
Glycogen storage disease type V (GSDV); Myophosphorylase deficiency; Muscle glycogen phosphorylase deficiency; PGYM deficiency
Symptoms:
- Burgundy-colored urine (myoglobinuria)
- Fatigue
- Exercise intolerance, poor stamina
- Muscle cramps
- Muscle pain
- Muscle stiffness
- Muscle weakness
Signs and tests:
The following tests may be performed: