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Male dog's swollen penis & yellow pee after female in heat. Vet?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed | Male | unneutered | 2 years and 7 months old

Hello, i have a male chihuahua and recently his penis has been swollen. Before that happened, our female was in heat and he kept getting on her & trying to mate. We didn't worry though. Now that she's off heat,he doesn't mount her but his penis doesn't seem to get any better. His pee is very yellow, like it's not normal. It's really yellow. I want to know if i should wait a couple weeks for it to heal itself or take him to the vet right away.

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1 Answer

Most Helpful Answer

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Answered By Jessica Keay, DVM

Veterinarian

Published on April 6th, 2018

I am sorry to hear about Hueso! It does like quite irritated here and I would be concerned he could have developed an infection of the skin or of the penis beneath the prepuce (the skin sheath of hte penis which is what we are seeing here). It is possible if he was repeatedly trying to breed with your female he caused repeated trauma to the skin and made it susceptible to bacterial infection. I would recommend getting him to the vet to examine the area. In the meantime, I would get an e-collar for him (the cone shaped collar) so he isn't licking the area and causing more irritation, and clean the area with a mild soap and apply a topical antibiotic ointment.

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