Dogs : Hi there, vet Andrew here. I see you're offline so I'll leave this as a message for you.
Dogs : Looking at your case I suspect you have two problems here.
Dogs : 1 - an ear infection, either with mites, yeast, bacteria or all three. This is very common in Springers ( I have one too!), especially young ones, or those who like to swim. These usually settle down with age, and are easily treatable. I like to show clients how to clean ears out themselves to help prevent the problem - ask your vet when you next see them, as it is a good preventive measure.
Dogs : 2 - the skin problem is more complex, and could have many causes. The reaction you describe is similar to an allergic one but is known as a contact hypersensitivity. You were right to cool the area as it can get quite irritated. The areas affected are classically those which contact the floor or bedding. Consider every place he likes to lie, or has been in contact with in the last 48 hours or so. Common triggers include pine needle forest floors, certain carpets, biological washing powders and certain grasses which stick in and cause a reaction. My strategy here would be to ensure all flea control is up to date as a precaution, prescribe anti-inflammatories, then turn the diagnosis to the owner as you know best what your dog has been in contact with. Only after that would I be looking at diagnostic skin and blood tests, as most owners find that a change of washing powder or avoidance of a certain area keeps the condition under control.
Dogs : I hope this has been helpful to you. Please keep in touch. Vet Andrew.