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My dog has albumin in urine and slightly high BUN. Is this normal?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 8 years old | 30 lbs

Hello Doctor, Is it normal to have albumin in dogs urine ? My dog has slightly high BUN wich is 25, normal is 10 to 21. Hes kidney creatine level and liver values are normal. However hes front left leg is swollen and he gets ocassional light red peniel discharge. Is this because of high BUN ?

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on October 16th, 2017

Thanks for visiting Petco Pet Education Center, formerly Petcoach! Having trace albumin (protein) in a dogs urine is pretty normal. We only get concerned about kidney damage when the albumin is moderate-severe and also when CREA is high. High BUN can indicate a GI bleed or a high protein diet in most cases. I don't see a complete cell count (CBC) analysis in the records you sent. Swelling of the limb can indicate edema, a musculoskeletal injury or even a seroma. I would suggest doing a urinalysis to rule out a UTI or stones causing the bloody discharge you are seeing, and a radiograph of the leg (if medical management with an anti-inflammatory hasn't shown improvement with this already). I hope this helps and best wishes with Scooby moving forward. Take care.

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