濕尾症

Also known as wet-tail, proliferative ileitis

thumb|220px|Wet-bottom in a hamster Wet-tail, wet-bottom or proliferative ileitis, is a disease of hamsters. It is precipitated by stress. Even with treatment, the animal can die within 48 hours. Baby hamsters are much more likely to get the disease than older hamsters. It is commonly found when the hamster is being weaned at about four weeks of age.