Report Fur loss in Tail in Husky Health & Diet Posted April 14 Definitely let use know what the vet says. I believe food allergies can cause that but just in one area is strange. What about a spider bite or something? I would think she would itch/chew at that.?. Whenever they had to be shaved for a procedure or if another dog pulled chunks of their tail out during play it would take forever to grow his hair back.