Why is my dog's penis red and discharging? Should I see a vet?
Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 1 year and 9 months old | 20 lbs
Should I be worried if my dogs pennies is a little red and has a little bit of discharge is what it looks like
3 Answers
Most Helpful Answer
Published on February 10th, 2018
Yes, I would be concerned about Guapo in that this redness and discharge can indicate an infection. From the pictures, it look like the discharge could be pus. He could have an infection of the prepuce (the penile sheath), or he could have a UTI or bladder stones causing these symptoms. I would gently wipe the area with warm water on a soft cloth, and have him seen by a vet. The vet can examine him and diagnose what is causing this redness and discharge so he can be treated. Taking him into a vet today would be best if possible. When dogs have infections, they can lick the area because it's uncomfortable to them, but licking it will make it worse. I would put an Ecollar on him if you notice him licking his penis area. You can make one at home or you can buy one at a pet shop. Good luck, I hope this helps! http://dogsaholic.com/care/homemade-dog-cone.html
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on April 17th, 2017
Since Prince is not neutered, it is very common for unneutered male dogs to have a small volume of yellow/green discharge at the tip of the penis. However, if this discharge is reddish it makes me concerned he may have an irritated penis or a urinary issue like a bladder infection. It would be wise, if this continues, to have him examined by a vet. He/she will want to take a urine sample and test if for inflammatory cells and potentially do a bladder ultrasound or X-ray.
1Pet Parents found this answer helpful
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Published on June 5th, 2019
This much discharge is not normal. A little is, but not as much as you describe. Especially if this is a new problem I would be a bit worried. Did your vet actually check inside the prepuce (the sheath covering the penis) and/or flush it? There could be a piece of grass or something in there that is causing the discharge. You will need to allow your vet to do a very thorough exam of the prepuce and maybe do some testing to get this figured out. I'm glad he is not actively ill but you don't want to wait until it's too late. This article talks about differential diagnoses and what tests need to run to rule things in/out. ( https://www.petplace.com/article/dogs/pet-health/preputial-discharge-licking-penis-in-dogs/ ) Hope this helps. If you have more questions you can always opt for a private consultation where we can chat back and forth. That way you can ask as many questions as you'd like. Best wishes.
1Pet Parents found this answer helpful
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