What are the most common clinical symptoms of a canine parvovirus infection?
Canine parvovirus predominately attacks cells of the gastrointestinal tract and the immune system. Therefore, the common clinical signs of infection are vomiting, diarrhea (often bloody), loss of appetite, dehydration, lethargy, depression, fever, anorexia and a reduction in the white blood cell count. The earlier these symptoms are detected and supportive therapy begins, the greater the chance of survival.

What are the clinical symptoms of a canine distemper infection?
The symptoms of canine distemper disease are classified based on the tissues affected during infection. The first phase of infection is the respiratory phase. Common symptoms of the respiratory phase are nasal discharge, coughing, difficulty breathing, pneumonia, loss of appetite, depression, and ocular discharge. These symptoms may persist for approximately 7 days. At the end of the respiratory phase, some dogs recover and the disease symptoms cease. However, if viral replication continues, the disease will progress to the neurological phase. Symptoms of the neurological phase are involuntary muscle twitching, lack of coordination, circling, increased sensitivity to pain, deterioration of motor capabilities, callusing of foot pads and nose, blindness, paralysis, seizures with excessive salivation, involuntary jaw movements commonly described as “chewing gum fits” and convulsions. Once infection progresses to the neurological phase, the chance of survival is slim.


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