How can you prevent your hamster from getting wet tail?

Yes, wet tail is diarrhea. It can be especially severe in hamsters, and it will make their bottoms stay wet with liquidy waste. That is why it is referred to as wet tail. You will need to treat it quickly. They sell drops at most pet stores that you can either deliver orally, or add to their water. If left untreated, it can be fatal due to dehydration issues.