What Does It Mean When Your Hamster Is Losing Weight?

What Does It Mean When Your Hamster Is Losing Weight? Loss of appetite and thirst, A change in their behavior or becoming less active, Wetness around the tail, Diarrhea, Huddling in a corner, A ruffled or unkempt coat caused by failing to groom itself, Sneezing, wheezing, and/or discharge from the nose or eyes, Can hamsters