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Is the red on my hamster's wheel blood, or just from his food?

Updated on September 23rd, 2025

Pet's info: Small Animal | Hamster | Male | unneutered | 1lb

On my plastic hamster wheel this morning I found what looked like blood. He has been eating and drinking like normal but some of his food is red, could this be what’s causing it? He sits in his food bowl to eat and there was red on the side of it too. The photo is a piece of wet toilet paper I used to wipe the wheel off.

1 Answer

Most Helpful Answer

Linda G,  MS, DVM

Answered By Linda G, MS, DVM

Veterinarian

Published on April 26th, 2019

Hello. That looks like a fairly large amount of blood. Did you check all of his feet & toes? These are common places to get caught & especially nails torn off. Other common sites can be from the mouth due to malocclusions or overgrown teeth that may have cut into the gums, or a possible infected scent gland. If you see more blood, then a veterinary visit may be necessary, but hopefully , all Tiger did was injure a toenail & that is where all the blood came from. Thanks for using Petco Pet Education Center, formerly Petcoach.
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