From dog bites to ear mites, there's a lot that can cause ear swelling in your dog. To keep your canine companion healthy, it helps to know the signs of a dog's ear problems, what to do when they ...

Dear Doctor: My boyfriend let a friend of his pierce his earlobe and cartilage, and both places got infected. He says things will get better on their own, but I’m worried. What should he be doing?

Preauricular lymph nodes, which are located in front of your ears, can sometimes become swollen and painful. Common causes include an ear or tooth infection. Treatment can depend on the underlying ...