Clinical signs of hyperviscosity syndrome in a 6-year-old dog included listlessness, polydipsia, anorexia, vomiting, and recurrent bleeding from the gums. Fundoscopy showed the typical retinal changes associated with this syndrome. A polymeric IgA cryoglobulin characterized in the dog's serum was
Hepatitis A is a common viral infection with a benign course but in rare cases can progress to acute liver failure. It usually presents with abdominal pain, nausea, vomiting, diarrhea, jaundice, anorexia, or asymptomatically, but it can also present atypically with relapsing hepatitis and prolonged