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My puppy ate a wasp. How long to watch for an allergic reaction?

Updated On September 23rd, 2025

Pet's info: Dog | French Bulldog | Female

My eight week old puppy picked up a wasp in her mouth - we pulled it out immediately and have been watching her for swelling but an hour has passed and she is normal still. How long would an allergic reaction take to show up and when can we be okay with leaving her alone not under observatiob?

2 Answers

Most Helpful Answer

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Answered By Amy S. Eutsey, DVM

Veterinarian

Published on June 29th, 2017

Allergic reactions typically present signs within 15-30 minutes. Since an hour has passed with no indication of a reaction, that is a very good sign. I would say that if by the completion of the second hour, your pup is still normal, you are likely safe. It is great that you are taking such good care of her. Frenchies are the cutest!!

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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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