Please help me, I do know that it is common for a bichon to start chewing away at his fur but my boy who is 4yrs has chewed away most of his fur on his back foot.  He has done simular before but this time it was over a course of a week so although it is not ceptic it is still sore i have put some spray on and covered it but he still can get the dressing of and also can get a neck collar off is there anything that i can buy of the shelf that can help me with this as if it is a reacurring problem i really dont want to keep going to the vets. I would like to sort him sort him out myself Please help me.

Allergies often present themselves as itchy ears or feet.