Dogs eyes are randomly swollen hes acting completely normal. Pet's info: Dog | Boston Terrier | Male | unneutered | 1 year and 3 months old | 22 lbs

This is probably an allergic reaction due to an insect bite or a plant outside. those reactions tend to resolve within 48 hours without treatment. if the swelling becomes too large or if your dog is lethargic, take Toby to the vet in order to get an antihistamine injection.

Your puppy may have been stung or bitten by an insect and had an allergic reaction to that. If the swelling is not gone by tomorrow morning or if your puppy starts to have breathing problems, vomiting, diarrhea or is lethargic, you will need to take him to a veterinarian for an exam. If the swelling is starting to go down, it will likely resolve itself.

Hi, thanks for using PetCoach! Poor Sneaky! I agree her face isn't normal. To me her upper eyelids look swollen and the left eyelid looks red. Her muzzle also looks swollen and maybe under her neck. A possible cause is an allergic reaction, which can be from insect bites, outside allergens, medications or vaccines. Standard of care is to treat with injectable steroids and antihistamines. I tend to send the patient home with a steroid taper and continued oral antihistamines. I would recommend taking her in to the Vet today. You can read this article as well about Benadryl: https://www.petcoach.co/canigive/dog/benadryl/ I hope this helps and I wish Sneaky a speedy recovery!

My dog's eyes are swollen but he's acting normal. What should I do?

Updated On September 23rd, 2025

Dogs eyes are randomly swollen hes acting completely normal

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Answered By Lauren Jones VMD 119

Veterinarian

Published on September 30th, 2020

Oh my, poor Lamar! I can certainly see the prominent swellings of both of his eyelids. One of the most common causes of eyelid swelling is from an allergic reaction. The tricky part with allergic reactions is that we often aren't able to figure out the trigger - whether he may be reacting to an insect or spider bite, pollens outside, or countless other things. However, since it looks as though Lamar is missing a good bit of hair around his eyelids (although this could also be pigment change and some glare in the picture), other possible causes could be infectious issues, like mange. Certainly other skin lesions or itching would make this scenario more likely. Since it's most concerning that he's possibly experiencing an allergic reaction with swelling on his face, you really should take him to an emergency vet right away for evaluation and treatment. Some allergic reactions can progress to anaphylaxis, which can cause severe breathing difficulties. I hope that he's feeling better soon!

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My dog's eyes are swollen but he's acting normal. What should I do?

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