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Health A-Z

Common Pet Conditions

Start with a symptom, then learn what to monitor and what your vet may check.

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Clear symptoms
abdominal pain (1) and jaundice (yellowing of gums/eyes) due to liver damage. “Blue eye” (cloudy cornea) can appear during recovery due to immune complexes. Severe infections can cause bleeding (petechiae or bruising) and swelling of the neck/head (1) and loss of appetite. Severe cases (often in puppies) present with high fever (1) and may be rapidly fatal due to liver failure or bleeding (1) depression (1) diarrhea (1) lethargy (1) Mild cases may show fever (1) vomiting (1)
Symptom matches are best-effort. If a symptom is severe or sudden, contact a veterinarian promptly.

Legacy / Unmapped

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Image for Canine Infectious Hepatitis (Adenovirus)
Canine Infectious Hepatitis (Adenovirus)
Dog - All Breeds (puppies and unvaccinated dogs at highest risk)
Mild cases may show fever lethargy and loss of appetite. Severe cases (often in puppies) present with high fever depression abdominal pain vomiting +3 more

Canine infectious hepatitis is a viral disease caused by canine adenovirus type-1 (CAV-1). It primarily attac…

For pet owners
Use this page to learn what a symptom can mean, what to track at home, and when to get help. Bring notes to your appointment (timeline, appetite, water intake, urination, stool, vomiting episodes, medications and supplements).
For veterinary perspective
Each condition page summarizes common presentations, typical evaluation steps, and treatment approaches. It is not a substitute for diagnosis. Your veterinarian will consider breed, age, exam findings, and tests.