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Why is my dog vomiting clear goo with blood? Is it his collar?

Updated On September 23rd, 2025

Pet's info: Dog | Australian Cattle Dog | Male | unneutered | 1 year and 5 months old | 40 lbs

Hey there, This morning, after our walk (run with a skateboard, to be precise), Dino puked up a medium amount of transparent goo with a couple of tiny droplets of blood in it. He has been treated for heartworm (fast kill method) more than a month ago and we have the green light for running. He hasn't eaten anything he shouldn't, as far as I am aware. Could I have done some damage with his neck collar? He was pulling quite vigorously this morning. Otherwise he is as energetic as ever.

1 Answer

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on August 2nd, 2017

IT's unlikely to be the collar in my opinion unless he was coughing vigorously prior to puke that. He might have eaten something spoiled that is causing this. withhold food for 12 hours then offer him boiled boneless chicken and rice every 6 hours in small portions. if he is eating and not vomiting, continue with this diet for 2 days. After 2 days, you can put him back gradually on his normal food. If he continues vomiting or is not eating, take him to the vet to get treatment.

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