Intake recommendations for iodine and other nutrients are provided in the Dietary Reference Intakes (DRIs) developed by the Food and Nutrition Board (FNB) at the Institute of Medicine of the National Academies (formerly National Academy of Sciences) [2].
Answer. The ear canal has very delicate skin; even a hair may cause itching in the ear. So no wonder itching or irritation is a common complaint from the hearing aid user who comes in for a follow up visit.
Acute sinusitis, an inflammation of the sinuses, causes sinus pain and tenderness, facial redness and more. Aspirin poisoning is a medical emergency and can cause nausea, vomiting, drowsiness and more. Tinnitus is a ringing, buzzing, clicking, hissing, or roaring sound in the ears. Symptoms include ringing in the ears (tinnitus), pressure or fullness in the ears. Symptoms of an ear canal infection include ear pain and itching, decreased hearing, drainage and more. Sometimes ear wax can harden and block the ear canal, causing discomfort and itching, earache, and more.