Migraine headache (adult) Migraines are a common type of headache that can cause severe pain, aura or flashes in vision, and tingling. Ear canal infection Symptoms of an ear canal infection include ear pain and itching, decreased hearing, drainage and more. Tinnitus Tinnitus is a ringing, buzzing, clicking, hissing, or roaring sound in the ears. Aspirin poisoning Aspirin poisoning is a medical emergency and can cause nausea, vomiting, drowsiness and more. Exposure to loud noise Symptoms include ringing in the ears (tinnitus), pressure or fullness in the ears. Middle ear infection A middle ear infection puts pressure on the eardrum, causing pain and, sometimes, hearing loss. Earwax blockage Sometimes ear wax can harden and block the ear canal, causing discomfort and itching, earache, and more. Meniere s disease Meniere s disease is a chronic inner ear condition that causes vertigo or extreme dizziness, and more. Chronic sinusitis Chronic sinusitis, or sinus infections, cause a stuffy or runny nose, tooth pain, fever, sore throat and more. Foreign object in the ear canal A foreign object in the ear may cause pain, redness, drainage problems, and in rare case, hearing loss. Respiratory syncytial virus Respiratory syncytial virus (RSV) is a virus that causes symptoms similar to the common cold. Ruptured eardrum A ruptured eardrum, a hole or tear in the tympanic membrane, causes temporary hearing loss or discharge. Swimmer s ear Swimmer s ear is an infection and irritation of the outer ear and ear canal causing redness, pain, and more. Asperger syndrome Asperger syndrome is an autism spectrum disorder often associated with social and communication difficulties. Autism Autism represents a range of neurological disorders that cause social and behavioral problems. Labyrinthitis Labyrinthitis, an infection and swelling in the inner ear, and may cause vertigo or hearing loss. Hyperacusis Hyperacusis is a rare condition that occurs when ordinary sounds cause discomfort or pain to the ears. Chemical burns A chemical burn can cause symptoms ranging from burning and blisters to pain and shortness of breath. Burn (heat or fire) Burns caused by heat are called thermal burns and can cause pain swelling, skin changes, blisters and more. Thyroid cancer Thyroid cancer is cancer of the thyroid gland and can cause a cough, hoarseness, a lump in the neck, and more. Migraine headache (children) Migraines are a common type of headache that can cause severe pain, aura or flashes in vision, and tingling. West nile virus West Nile virus is an infection spread by mosquitoes, and can cause diarrhea, fever, abdominal pain, and more.