PetMD lists fever; loss of appetite; skin and mouth abscesses; pain; infections of the eyes, ears, skin and respiratory system; toxic shock syndrome; arthritis; itching and pus-filled lesions as staphylococcal infection ... More » Pets & Animals Pets Dogs

Common symptoms of methicillin-resistant Staphylococcus aureus, or MRSA, include swelling, pain, redness, warmth when touched and pus in a skin infection, according to the Centers for Disease Control and Prevention. The ... More » Health Conditions & Diseases

Skin with a staph infection may be red, swollen and warm to the touch, according to WebMD. Other types of staph infections may appear as blisters, boils or rashes on the surface of the skin. More »

Hepatitis B can be marked by abdominal pain, dark urine, fever, joint pain, loss of appetite, nausea with vomiting, weakness or fatigue and jaundice, or yellowing of the skin or whites of the eyes. These symptoms, which ... More »

The most common cause of lethargy and loss of appetite in dogs is an infection in the body. Other reasons a dog would be lethargic and uninterested in eating are pain, medications, liver disease, heart disease and diabet... More »

Some canine influenza symptoms are sneezing, coughing, fever, lethargy and loss of appetite, claims the American Society for the Prevention of Cruelty to Animals. The dog may have a fever, breathe rapidly or with difficu... More »

The symptoms of HCV or hepatitis C infection include fatigue, muscles aches, fever and loss of appetite, notes MedicineNet. Jaundice, or yellowing of the skin and eyes, is a rare but possible early-stage symptom. However... More » Health Conditions & Diseases