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Dog threw up, swollen face after allergy shot. Is it anaphylaxis?

Updated On September 23rd, 2025

Pet's info: Dog | Labrador Retriever | Female | spayed | 1 year and 5 months old | 75 lbs

Hatty just threw up 3 times and her eye is swollen, mouth is swollen. The only thing we did was give her an allergy shot, she yelped which normally she just whines.

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1 Answer

Most Helpful Answer

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Answered By Dr. Dayna, DVM, CVA

Veterinarian, Certified Veterinary Acupuncturist

Published on May 12th, 2018

I think Hatty is likely having an anaphylactic reaction either to the allergy shot or perhaps an insect sting. She needs to be seen by a veterinarian immediately. If this progresses it could be life threatening. Best of luck and I hope she improves soon. Thank you for using Pet Coach.

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