My dog has hives and seems fine. Does he need urgent vet care?

Your poor pup! Typically hives like that are due to an allergic reaction, which could be due to something environmental, a bite from an insect, or even food. Given that you have administered Benadry with no effect, I would take him into the vet immediately. The problem with allergic reactions is that they can progress to swelling of the face and muzzle, and this could block his breathing leading to respiratory distress. He likely needs stronger drugs like steroids to control the reaction. Please take him into an ER vet clinic; if there isn't one in your area, there will be a vet on call for emergencies. The information to reach that vet is found on a clinic's answering machine or website. Good luck, I hope this helps!

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 becomes lethargic, take him to the vet in order to get an antihistamine/steroid injection. from your description at this moment i think he is probably fine, but this can change so monitor him closely.

That's not good. I wonder if Spot is suffering from a contact allergy causing his hives. Vomiting can also be a sign of an allergic reaction. I'm concerned about him and think it's best he sees a vet immediately. Please take him into an ER vet clinic; if there isn't one in your area, there will be a vet on call for emergencies. The information to reach that vet is found on a clinic's answering machine or website. Best of luck.

If the symptoms don't seem to bad and if he isn't lethargic or having problems breathing just wait 2-3 hours, it should start getting better by then. in any case of respiratory problems or lethargy you must take him to the vet urgently.

Poor girl. As long as her airway is clear and she doesn't seem to be in distress. It is likely ok to wait until morning ot get Rosie seen. She is having an acute allergic reaction, but the hives seem to be the extent of it, which means she is stable enough for now. I hope that Rosie's hives resolve soon and best of luck finding out what triggered this reaction so that it can be best avoided in the future. Take care and thanks for visting Petco Pet Education Center, formerly Petcoach! : )

Poor Bruno! I'd be concerned he could be suffering from an allergic reaction. It could also possibly be from the injury he suffered two days before. I would take him into a vet now to get this checked out. Best of luck.

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!