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Dislodging an Object in Their Ear
Since pooches don’t have opposable thumbs, head shaking is the easiest way to get rid of an object that is stuck in their ear.
Loosening Up in the Morning
Just like humans tend to stretch in the morning when first getting out of bed, your pet may just be shaking its head to loosen up.
Playing or Feeling Excited
Sometimes when dogs are playing with a favorite toy or when they see a person they really like, they will get very excited.
Ear Infection
An ear infection is the most frequent issue that causes excessive head-shaking in dogs. These infections can occur in the outer, middle, or inner ear canal.
Ear Mites
Ear mites are microscopically small and live in a dog’s ear canal. This causes irritation for the dog which leads to a lot of head shaking.