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My dog is shedding and losing weight. Is it her thyroid or hormones?

Updated On September 23rd, 2025

Pet's info: Dog | Golden Retriever | Female | 10 years and 5 months old | 59 lbs

Dear Vet, my dog is shedding hair since 2months now and she lost around 3 kilos in 3months from 27.40kg to 24.40kg she's on royal Canin hypoallergenic since 7 months. Her complete blood test is good as per the vet stated. Her VET. prescribed her Vibrac supliment (see attach) is it enough? Should I check her hormones? Or should I do vitamin test? Any advice is really appreciated. Thanks. Note that my dog never shed in winter time.

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1 Answer

Most Helpful Answer

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Answered By Linda G, MS, DVM

Veterinarian

Published on January 7th, 2020

Hello. If your veterinarian has not checked Moka's thyroid levels, then yes this needs to be looked at. Otherwise, this is a good fatty acid supplement, but it can take 6-8 weeks to see results after a supplement is started. If this does not work, she may need some additional testing. You can ask your veterinarian if there are any veterinary dermatologist specialists in your country. Thanks for using Petco Pet Education Center, formerly Petcoach.

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