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Why is my winter white hamster losing fur, walking oddly, and weight?

Updated On September 23rd, 2025

Pet's info: Small Animal | Hamster | Male

My winter white hamster has hair loss on , tummy, and is walking funny? His fur is lost shine. He has lost weight

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1 Answer

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Answered By Jessica Keay, DVM

Veterinarian

Published on June 9th, 2019

I am sorry to hear about Marshmallow. With these symptoms I would recommend a veterinary exam for him. There can be many causes of hair loss in hamsters, including vitamin deficiencies, rubbing against cage or chewing by other hamsters, parasites like mites, bacterial infections, and unfortunately more serious conditions like some cancers/tumors.

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