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Can allergy meds cause dog dehydration, tummy pain, and no urination?

Updated on September 23, 2025

Pet's info: Dog | Mixed Breed | Male | neutered | 1 year and 9 months old

Panda was shivering had a tight tummy didn't pee or poop was reluctant to walk slow to eat but when he went to vet he was on drip because he was dehydrated he then pooped and peed he is on daily lorafix tablets for allergies could he have a reaction to the tablet that caused this or another reason as vets didn't know what caused it

1 Answer

Most Helpful Answer

Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Answered By Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH

Veterinarian, Certified Veterinary Acupuncturist, Certified Canine Rehabilitation Practitioner

Published on July 4, 2018

I'm sorry to hear that Panda wasn't feeling well. I hope he is feeling better after his drip. Loratidine (the generic name for Lorafix) does have some potential side effects, but I would not expect any problems with the GI tract from that drug. I am attaching more information about the medication below.
https://veterinarypartner.vin.com/default.aspx?pid=19239&id=4952347
Unfortunately, we sometimes can't figure out what causes some episodes of dehydration, but if Panda was just recently started on the medication, I would certainly ask your veterinarian if they would recommend trying another medication for Panda's allergies.
Good luck! I hope that was helpful and that Panda is feeling better. Thanks for using PetCoach.
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