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Why is my dog losing hair, biting, and scratching constantly?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Male

Hello!! There are dogs on my street which in a very bad condition of hair fall... I think they are all struck with a insect.. due to which they keep on bitting their body all the time... Some of which have got a complete hair loss. Could you please recommend me to give them which kind of vaccine?

1 Answer

Most Helpful Answer

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Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on January 24th, 2020

A vaccine is not needed here. They may have mange or other infection (bacterial or fungal). Ideally, they should be seen by a veterinarian to diagnose the cause. Any treatment will depend on the diagnosis. They will likely require ongoing care until symptoms resolve.

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