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My dog vomits after Atopica. How should I time Zitac for relief?

Updated On September 23rd, 2025

Pet's info: Dog | Pug | Female | spayed | 6 years and 2 months old | 14.5 lbs

My dog has been on atopica for 4 weeks now last weekend she started vomiting an hour after her pills my vet told me to give her zitac half twice a day It worked for a couple of days but she has started again Is there a way to give her the zitac to help ? I've been giving it to her 30 mins before the atopica is that right or should I be giving it at the same time?

2 Answers

Most Helpful Answer

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Answered By Joy Fuhrman, DVM, MBA, CPA

Veterinarian

Published on April 11th, 2017

The half-life of Zitac in dogs is a little over and hour, so giving the Zitac between 30 and 60 minutes prior to the Atopica may help reduce the nausea and vomiting. Anecdotally, giving the Atopica with a small amount of food or freezing the pill for 30-60 minutes before giving it, have been reported to reduce the nausea side effects. You may also want to speak to your veterinarian about some of the newer H-2 blockers such as ranitidine or famotidine which may be more effective at preventing nausea.

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    Answered By David Elbeze, DVM, MRCVS

    Veterinarian

    Published on

    You have done well with the Zitac, in most cases Atopica can cause vomiting up to 2-3 weeks after starting it, as it's been almost a month i would recommend taking her to the vet and have a blood test done to make sure the medication did not cause any serious damage to the liver.

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