Why does my dog get big bumps after laying outside in the sun?

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 her to the vet in order to get an antihistamine injection.

If these just arose out of nowhere I would be concerned they are hives and she is having an allergic reaction. Since they are on her face, I would consider this an emergency, so it would be recommended to take her in to the emergency clinic right away, where they can give her a shot of benadryl and a steroid shot to stop the reaction. In severe cases of allergic reactions the face can continue to swell and the swelling can extend to the airway, becoming life threatening, and we don't want that to happen!

Poor guy. He is likely having an allergic reaction to something he was exposed to outside. You can give him an antihistamine to see if this improves things. As long as his breathing is ok and there is no swelling around the neck, he is likely to be fine after 12 hrs or so as the reaction subsides. You can also try bathing him in an oatmeal or hypoallergenic shampoo to help calm down the skin. If the skin reaction does not improve or worsens by tomorrow then have your vet take a look at him and they can administer stronger medications to subside the skin reaction. It will take a bit of investigating on your part to figure out what he could have been exposed to to cause him to break out into hives.

Hello. This sounds like it might be an allergic reaction. This could result in swelling around the airways. If hives are present (raised, haired bumps about 1cm across), then I would suggest a visit to the vet for some medications. Good luck with your little one!

These look like an acute allergic reaction to something she has come in contact with or insect bites and would be expected to resolve uneventfully. Monitor for any distress or breathing difficulties but these are very rare

That appears to be an allergic reaction your dog was having! Many times you will never find out what caused it. Its a very good thing that it went down. Go ahead and give her an over the counter antihistamine for the next 24 hours. If the bumps come back, take her to the vet for a steroid injection. Thank you for using Pet Coach!

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, itchiness or vomiting do not resolve or if your dog is lethargic, take her to the vet in order to get an antihistamine injection.