My dog has fever, no appetite, low blood cells, and mouth sores. What's wrong?

Question

My dog seveloped a sudden fever and a loss of appetite. Her RBCs, WBCs, Hemoglobin are low and i discovered today that she has exudative ulcers in the inside of her mouth. What could her diagnosis be? Thank you. Pet's info: Dog | Coton de Tulear | Female | unspayed | 1 year and 4 months old

Laura Johnson VMD · Accepted Answer

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Luana! I have seen viruses attack the oral mucosa and also hit the bone marrow causing low white and red blood cells. The ulcers could also be from electric chord chewing or licking something caustic. Other possibilities are cancer and immune mediated. If it is a virus her blood values should improve over several days. I would have her hospitalized on IV fluids and IV antibiotics, oral sucralfate for the ulcers and an oral chlorhexidine rinse. She should also be on pain medications. She should have CBC's to check the progression of her white count at least every other day. I wish you both the best!

My dog has fever, no appetite, low blood cells, and mouth sores. What's wrong?

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