I just came across this site so I haven't tried the ACV or any of the other natural remedies yet. Max, a 6 year old mini schnauzer is really suffering, so I will try this immediately. But what does seem to help, which is strange is a coat. I put a light weight jersey coat on him and for some reason he stops licking the hot spots. I know they cannot heal just because of the coat, but it does provide him relief and he doesn't have to wear a collar which has to be so frustrating to an itchy animal.