That's what I was thinking too... If something is only affecting his belly and nowhere else, it seems like the problem might be caused by something the belly has a lot of contact with. What kind of bedding is he on? And if it's liners, what detergent/farbric softeners are you using?Immortalia said:Hedgies, like humans, have allergies. It could be that it's his bedding, considering it seems that his underbelly is affected the most.