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Why is my dog drooling excessively and dry heaving clear mucus?

Updated On September 23rd, 2025

Pet's info: Dog | Border Collie | Male | neutered | 4 years and 9 months old | 68 lbs

My dog Ace has been drooling excessively for about the past hour. I’ve checked his mouth and don’t see anything lodged between any teeth and he doesn’t seem to have anything in his throat. He dry heaved some earlier tonight but only a clear mucus came out.

1 Answer

Most Helpful Answer

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Answered By David Elbeze, DVM, MRCVS

Veterinarian

Published on February 3rd, 2020

Drooling and dry heaving are both signs of nausea in dogs. It sounds as Ace is suffering from a gastrointestinal condition, possibly an infection. it could also be due to ingestion of a foreign body material. i would recommend taking him to the vet the first chance you get, he will need to be checked first, if the vet thinks it's a simple gastrointestinal infection he will need an anti nausea injection, antibiotics and a special food for a few days in order to get better.

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