The brain has two halves or hemispheres: right and left. The right hemisphere controls the left side of the body, and the left hemisphere controls the right side. In most people, the left hemisphere regulates language and speech, and the right hemisphere controls nonverbal, spatial skills.
Ear canal infection Symptoms of an ear canal infection include ear pain and itching, decreased hearing, drainage and more. Earwax blockage Sometimes ear wax can harden and block the ear canal, causing discomfort and itching, earache, and more.
Some of the comorbid or associated medical symptoms for External ear infections may include these symptoms: 1  Bleeding from ear. 2  Earache. 3  Intermittent ear pain on both sides. 4  Intermittent ear pain on one side. 5  Intermittent pain in one ear. 6  Intermittent pain in the ear.