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My dog has loose dark brown stool and dark yellow urine. What to do?

Updated On September 23rd, 2025

Pet's info: Dog | Beagle | Male | unneutered | 1 year and 10 months old | 22 lbs

My Dog Gizmo has been having loose Dark brown stool and and a little dark yellow urine what should i do? What is his health and how do improve it.

2 Answers

Most Helpful Answer

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Answered By Destini R. Holloway, DVM

Veterinarian

Published on July 25th, 2017

Poor guy. He could have dark urine because he is dehdyrated or he could even have some blood in his urine (use a paper towel to look for blood- not always 100% detectable by the naked eye ). Loose stool can be caused by intestinal parasites, sensitive stomach issues or it can be caused by an underlying illness (especially if he has other symptoms). To sort things through it is best to at least start with a fecal examination through your vet, which will look for parasites. A probiotic (Culturelle over the counter is quite comparable to your pet formulated products) can be tried to see if he responds well. And a bland diet of boiled plain chicken and rice can be given to hopefully settle his stomach. He may need to go on a long term easily digestible food such as Evo (Innova) or a prescription brand such as Royal Canin hypoallergenic hydrolyzed protein or Hills Z/D ultra. But a good first start is to have a thorough examination by your vet to ensure overall good health and then go from there. Best wishes with Gizmo and I hope he gets this resolved soon. Take care.

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    Answered By Jacqueline Nobles, DVM, DACVECC

    Veterinarian, Board-Certified Emergency/Critical Care Specialist

    Published on

    Gizmo may be dehydrated from having loose stool and hence his urine appears darker in color due to concentration. However, we cannot rule out pigment in the urine. In order to determine the cause of diarrhea and change in urine color, I would advise you to have a fecal and urinalysis performed by your veterinarian. Potential causes would include gastroenteritis due to ingesting unknown foodstuffs, toxicity, parasitism, liver disease, or systemic disease including infectious, inflammatory or less likely neoplastic disease. If Gizmo experiences decreased appetite, vomiting, or lethargy, additional diagnostics including abdominal x-rays and bloodwork would be recommended.

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