Why Does My Dog Keep Scratching His Eye. Your dog may have been stung by some bug in the area and it is causing the eye lids to swell shut or in some cases, a dog tooth root abscess may cause eye swelling. The most common cause is running through thick undergrowth or grass and not blinking quite fast enough!

First, gently lift your dog’s. Often, intense scratching, biting and licking of the fur is caused by fleas. Here are a few things that you should watch out for if your dog is scratching his face.