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.
Allergy symptoms can be categorized as mild, moderate, or severe. Mild Allergy Symptoms. Mild allergy symptoms can include: Rash; Localized itching; Congestion; Mild allergic reactions do not spread to other parts of the body. Moderate Allergy Symptoms. Moderate allergic reactions can include symptoms that spread to other parts of the body, including: Widespread itching; Difficulty breathing; Severe Allergy Symptoms (Anaphylaxis) Anaphylaxis is a rare, life-threatening emergency in which the response to the allergen is sudden and affects the whole body. Allergy symptoms may within minutes progress to more serious symptoms, including: Itching of eyes or face