Why is my hamster losing hair on its bottom and what can I do?
Updated On September 23rd, 2025
Pet's info: Small Animal | Hamster | Male | unneutered
My hamster got bald on her butt, something like losing hair on bottom parts. Is she sick ? How can I treat her sickness ?
4 Answers
Most Helpful Answer
Published on July 28th, 2019
Hi there, I'm sorry your little hamster is having trouble. Hair loss can be from a number of things- skin parasites like skin mites are very common in these guys. Also, there can be hair loss from endocrine diseases , overgrooming from stress or other things. Your vet can test your friend for parasites and then prescribe a safe medicine that you can use. Over the counter meds, such as dog and cat flea products, would be too strong and could hurt your pet. if it is not parasites, they can check to see what else might be going on.
9Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on December 25th, 2019
I would be worried about this, yes. It could be due to mites, a skin infection, Bubble scratching or rubbing against abrasive objects such as the rough edge of a toy or bowl, an allergic reaction to the cage bedding, or even moisture left in the cage by a leaking water bottle. I'd have her seen by a vet in the morning to have this diagnosed and treated.
4Pet Parents found this answer helpful
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Published on July 7th, 2017
Hi there. Poor Knight! This looks like particularly itchy lesions, as there are excoriations (scratches) showing. Hamsters commons present with things like ringworm or mites with lesions similar to these. Your veterinarian will probably need to check your pet for any fungal growth and/or external parasites. They may use a wood's lamp to check for fluorescence or take a culture as well. Both illnesses are treated daily easily and are relatively inexpensive. If you take him in they will more than likely have treatment options readily available for your pet. I hope this helps you!
3Pet Parents found this answer helpful
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Published on December 28th, 2018
Alopecia-hair loss in hamster is quite common. The first thing to rule out as most common cause would be external parasites (mostly mites) which the vet can give you treatment to. other causes friction from rubbing against the cage, nutritional, fungal and medical (lymphoma, kidney disease). I would recommend with any hamster with alopecia to be checked by a vet. Good Luck
1Pet Parents found this answer helpful
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