Sarcocystosis refers to invasion of muscles by unicellular protozoans, of the genus Sarcocystis. The condition is generally asymptomatic as affected dogs rarely show any signs.
Signs that may be seen include:
Lack of appetite
Weight loss
Diarrhea, potentially bloody diarrhea
Dehydration
Depression
Paralysis
Muscle pain
Myositis (inflammation with the muscle)
Muscle atrophy (muscle wasting)