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.
My only concern is that overuse may dry the ear canals and cause increased itching, so Iâd suggest limiting use to no more than twice a day during treatment. DEAR DR. GOTT: I am a 59-year-old female, about 145 pounds (I should be 135).