There are a great many hamster illnesses which could jeopardize both the quality and the length of your little friends’ already short life span. Many of the most prominent hamster illnesses are caused by one of three key issues, the first being improper nutrition. The next issue that you will need to be wary of is the cleanliness within your hamster’s home environment, and lastly but certainly not least important will be the temperatures and drafts that he is exposed to. Hamsters are pretty resilient, but there are certain things that you may not recognize as problems until he is in the last throws of sickness and little can be done to solve his problems.