About two weeks my dog was scratching his ears and shaking his head, I found his ears were dirty. He was spending time outside and I thought it was from sweating and being in the desert because it lo...
Kodi gets murky ears when his food allergies are acting up.
Chicken and tuna make him scratch his ears within an hour or two of eating those items. It was a great way for me to quickly determine which foods he could eat or not.
Before I figured this out, his ears also developed a thick black gooey gunk deep down. Now the itching is enough for me to clue in, well before the gunk develops.