Ear mites are one of the major causes of ear infections in dogs, especially long eared dogs. An indication that your dog may have ear mites is if it is continually shaking and/or scratching it's ears. A simple way to get rid of the itch and the mites is to wash your dog's ears with this easy to make solution! Put one teaspoon of baking soda in a cup of warm water and gently was the inside of the ears using a cotton ball!
Give it a try, I think you'll find it works well!