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Advantage Multi Reaction?

Species: Cat
Breed: Part siamese
Age: 1-2 years
Cat losing weight after advantage multi treatment, what can I do to make him start gaining weight again. Otherwise beside weight loss he seems fine, but has lost quite a lot of weight.


Online vet, Dr. Marie

Dr. Marie replied:

Advantage multi would not cause a cat to lose weight. It looks to me like there is likely another medical issue going on.

If Pooter had fleas (which is likely why he was given Advantage Multi) it's possible he picked up a blood parasite called hemobartonella (or mycoplasma felis) from the fleas. This could definitely make him lose weight.

It sounds like Pooter will need a vet checkup and some blood tests. I hope he is ok!

Dr. Marie.

---This question was asked in our Ask A Vet For Free section.---


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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.