Veterinary questions? Ask a Vet for Answers ASAP
Hi there, you are through to Dr Linda, a UK based vet.
I'm personally unable to make calls but can talk via typing if that ok.
I'm sorry your hamster has developed this issue and understand your concern.
Possible causes would include an injury to the penis, urinary infection, bladder stones or a cancer.
A vet visit is important so he can be checked. They will examine him and feel for any stones, as well as check his penis for any injuries. They may analyse the urine for infection.
He may require medicine such as anti inflammatories and antibiotics and the sooner these are started the better.
At home, check the cage for any sharp edges he may have injured himself on. Ensure he is eating and drinking well.
Hopefully we can get on top of this soon.
That is reassuring.
If, for example, it was a small injury that has now healed, we may not see any further signs.
However, these guys can be very secretive and are good at cleaning up after bleeding, so I would still advise a visit to ensure all is well.
Happy to help and take care!