Prev2 of 3Next 7. Onion Onion is a very common ingredient used in cooking. It has medicinal uses too, including for the treatment of an ear infection. Chop one small onion, put it in a bowl and microwave it for one to two minutes. Allow it to cool and then strain out the onion juice.
Found this amazing home-made dog ear cleaner solution. Works on even the worst infections. Made by a family who rescues cocker spaniels! Read the blog. Its very worth knowing if your pup ever happens to get one.