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Why is my 5-month-old dog losing tail hair? Is she underweight?

Updated On September 23rd, 2025

Pet's info: Dog | Golden Retriever | Female | 4 months and 24 days old | 15 lbs

Hi my name shyam My question is my pet have very less hair in tail is tha a problem. And one more question 5 months 15 kg is under weight??

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1 Answer

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Answered By Dr. Elizabeth

Veterinarian

Published on April 18th, 2020

Hello Shyam, hair loss on the tail most commonly indicates fleas or skin mites. I recommend to discuss using a product like Simparica with your veterinarian. Also, from the photo, Clara looks fine weight wise but you may use this chart to help monitor her weight as well: https://www.petcoach.co/article/how-do-i-determine-if-my-dog-is-overweight/ I hope this helps and please feel free to post any additional questions.

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