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My diabetic dog is lethargic, has white gums & labored breathing. Why?

Updated on September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male | unneutered | 9 years and 8 months old | 90 lbs

My dog is a 9 years old diabetic mutt. He is suddenly lethargic, has dry nose, white gums and vomited once today. He's also separating himself from the family and breathing a little labored. What could be the cause?

1 Answer

Most Helpful Answer

Lauren Jones VMD

Answered By Lauren Jones VMD

Veterinarian

Published on October 9th, 2017

Oh dear, Biggem sounds extremely ill. These are highly concerning signs. White gums, labored breathing, and acute lethargy are all signs that warrant a visit to an emergency vet immediately, as they can be life-threatening. Possible causes of these signs could be due to diabetic ketoacidosis, gastric dilatation-volvulus (GDV; bloat), heart failure, among others. At this point, I strongly recommend taking Biggem directly to an emergency veterinary hospital for immediate evaluation. I hope that all goes well.
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