well we have a boarder that comes stay with us thats called woody hes lovely but he has so many problem mainly dental but hes started to sit in hes wee and poo and he bottom always get messy. which she always brings him to me and i bath shampoo and dry him maybe clip him. but hes started to loss hair like it pulls of hes skin really easy and he looks sore but no open cuts just redness. have we bath him too much try to get the mess of this or can the pee and poo do this to him :?