Your dog is most likely suffering from an all-too-common affliction, otitis externa, otherwise known as an ear infection. Dogs are commonly prone to ear infections. This problem is especially common in flop-eared dogs (such as yours). Click here to learn more about ear infections and their treatment.

That is gross and I've never ever done that before. Ok, I've done it! I think you'll find this article on Coprophagy In Dogs helpful. It covers why dogs like to eat poop and strategies to prevent that behavior. I must admit, I feel better about not being the only dog that has taken a bite or two—just don't tell my humans.