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Allergic reaction and diarrhea.

Species: Dog
Breed: Basset Hound
Age: 2-5 years
Dr,

My 3 1/2 year old basset hound is having multiple issues that in my best observation appear to be an allergic reaction. Five days ago she was at the vet for 2 issues: a recurrence of soft stool and a generalized increase in her allergies(licking paws and pits, scratching skin, discharge from eyes) The vet prescribes metroniadozle for the stool 500 mg/twice a day and 50mg 3x a day /benydryl for allergies. He also wanted us to start a food allergy test with a new food (Royal canidae hydrolized middle.)
When we got back from the vet that night, sadie was stung by a bee. 2 days after the bee sting, sadie broke out in hives all over her body. Since then she has had diarrhea once, lethargy, and vomited yellow bile today. Additionally, the hives keep returning. We took her to the emergency vet where she was given a steroid for the hives and an anti nausea med. We cannot figure out what is causing the allergic reaction and neither can our vet. What do you think the most likely cause is, bee sting, new food, metroniadozle? The bee sting seems less likely to me. She is not herself and appears lethargic still.
Thanks Dr,

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Online vet, Dr. Marie

Dr. Marie replied:

Oh the poor girl! It sounds like Sadie is really having a rough time.

I have had several cases of dogs who got hives after a bee sting and those hives would go away with benadryl or steroids and then come back about 8 hours later and continue to do so for a few days. We never knew in any of those cases whether the dog was getting re-stung or whether the allergen was still in their system for a few days. I think the latter is the most likely explanation.

Most allergic reactions don't cause diarrhea that lasts for more than one or two bouts though. But, given that Sadie has known issues with allergies I think that looking into a food allergy is a good idea.

The metronidazole is very unlikely to be the cause of any of these symptoms and I would keep giving it to her. It is known to be good for dogs with intestinal inflammation and really has few side effects when given for a short term.

The new food would not cause hives, so I would keep giving that.

It does appear that your vet is doing everything that I would do. However, if things are not improving in 24 hours or if she seems like she is getting worse then I would take her back for another exam. This probably is a mild gastrointestinal issue (combined with a bee sting on top) and she should be feeling better soon, but there is a chance that there could be and underlying issue.

I hope things are better soon!

Dr. Marie.


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.