Petco Text Logo
Petco Pet Logo

My hamster has a black, hard lump and is lethargic. Is it serious?

Updated On September 23rd, 2025

Pet's info: Other | Unknown - Other | Male | 1 year and 1 month old

My hamster has a cyst he's had no trouble but I checked it recently it's big black and hard all he does is sleep he's always drained I have to bottle feed him

This question includes photos that may contain sensitive content. Click to view.

View more to consider that the photos may include sensitive content.

1 Answer

Most Helpful Answer

Image profile

Answered By Rebecca, DVM

Veterinarian

Published on June 2nd, 2017

Stormz needs to see a veterinarian immediately. This appears to potentially be a problem with his cheek pouch and I'm concerned that it's turning black because the tissue is dead. Please have him seen quickly.

Vote icon

5Pet Parents found this answer helpful

image
Have A Vet Question?

Book an appointment with the pros – our expert vets are here to help.

Sponsored