Dog Bun And Creatinine Levels. High levels of creatinine and bun (blood urea nitrogen) in dogs is usually a sign of poor health, as a guide, but was not different than the ratio in the dogs with hyperadrenocorticism. High levels of creatinine and bun (blood urea nitrogen) in dogs is usually a sign of poor health.

Two of the most useful chemicals that veterinarian measure to see if toxins are building up in the patient's body are blood urea nitrogen (bun) and creatinine. How do you lower creatinine levels quickly? However, they may indicate a kidney problem in your dog that you will need to get checked out.