The âshellâ or âcaseâ is the outer covering of a hearing aid, and determines its style. Of the many parts of a hearing aid, style can make a big difference to your overall satisfaction. Beltone's two main style categories are Behind-the-Ear (BTE) and Custom hearing aids. IIC. Invisible-in-Canal.
The symptoms of chest congestion can be listed as under. 1  Coughing. 2  Shortness of breath. 3  Labored breathing.  Chest 1  pain. Dizziness.  Runny 1  nose. Wheezing. 2  Discomfort. Blood in  cough. Loud noises while breathing.
With seasonal allergies, the onset of symptoms â the sneezing, stuffy nose and itchy eyes â occur immediately after exposure to pollens in spring, summer or fall. If symptoms tend to show up the same time every year, it may well be seasonal allergies rather than a cold. [ 9 Weirdest Allergies ]. Duration of symptoms matters. The symptoms of a cold typically last three to 14 days, but allergy symptoms last longer, usually for weeks, as long as the person is exposed to pollen, Rachid said.