My Hamster Is Itchy. Bacterial infections can also lead to skin problems and itching. However, if you see your hamster scratching incessantly, you need to be careful.

An energentic hamster is a good thing! If you watch her closely, you'll notice she's licking her foot then scratching, licking the foot and scratching. You want to take your hamster to an exotics vet who will make a diagnosis based on his exam, the pattern and location of the hair loss and the severety of the hair loss.