It makes perfect sense to assume that "pain behind your ear" must be related to a problem within your ear, like an infection. But you know what can happen when you assume. Your ear shares its nerve supply with several structures in your head and neck. Ailments like jaw joint inflammation, a dental infection, or a nerve-related headache may be the real culprit producing the pain. To evaluate pain behind your ear—sometimes described as a "headache behind the ear"—your doctor will examine your ear, jaw, mouth, neck, and the nerves, lymph nodes, and skin around your face and scalp. They will also ask you about associated symptoms and may order various blood or imaging tests. Once your doctor has a diagnosis, they will formulate a treatment plan to soothe your pain and treat the underlying problem. This article explains the symptoms of ear pain and how a medical professional goes about the complex process of forming a diagnosis. It al...