In Charlie’s follow-up video posted on 17 August, sshe said her team ran a blood smear - a sample of blood from the ear looked at under a microscope - in order to diagnose the dog’s illness.

Usually, owners are unaware that they are even in the mouth unless they appear on the outer lips. This is because they rarely cause any discomfort or issue to dogs. I also usually see these in dogs ...

Dogs with long ears, such as beagles or cocker spaniels, are more prone to ear infections, the American Kennel Club reports. Cleaning a dog's ears can prevent an infection, not treat one.