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Steve O.
Steve O., Dog Veterinarian
Category: Dog Veterinary
Satisfied Customers: 4277
Experience:  I have 20 years of canine clinical and surgical experience
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What can cause blood in a dog’s urine when she is in heat?

Resolved Question:

MY dog is in heat and she has blood in urine, small amounts is this normal. We have only had her for a few weeks and this is her first cycle with us. She is a small sheltie.
Submitted: 6 years ago.
Category: Dog Veterinary
Expert:  Steve O. replied 6 years ago.

Steve O. :

Is she acting normally? Is the blood mixed with the urine or is the urine streaked with blood? Is she having unusual urination habits (accidents)?

Customer :

she is acting normal, no accidents just noticed red in urine not much, and i think she is in heat. no swelling but blood from the vulva

Steve O. :

That sounds like the early signs of heat and the blood can come shortly before the vulva swells. She may show blood for a few days, then clear discharge (this is when she will accept a male) then a few days of blood on the way out of heat.

Customer :

we have bred dogs in the past, but this is the first one that i noticed the blood mixed in the urine. just wanted to be sure.

Steve O. :

As long as she acts normally and her urination habits are the same, I wouldn't worry about anything more than keeping her from getting bred (unless you want her bred of course). Sometimes the urine will "wash" out some blood from the vulva. If she starts acting "sick" or starts having accidents in the house, that indicates a UTI, but it sounds like this is not the case now.

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