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My dog stepped on a wasp. How soon will an allergic reaction show?

Updated On September 23rd, 2025

Pet's info: Dog | Havanese | Male | neutered | 6 years and 9 months old | 11 lbs

Jasper stepped on a wasp for the 1st time. If he's allergic, how soon will the symptoms present?

1 Answer

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on April 3rd, 2019

You would probably see the signs of an allergic reaction in an hour or two - watch for facial swelling, redness around the eyes or muzzle, and hives. If you notice these signs you should see a veterinarian right away. Fortunately anaphylactic reactions are very rare in dogs, but signs of anaphylaxis would include difficulty breathing, severe vomiting and diarrhea and/or collapse.

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