Home > Respiratory System > Respiratory System of the Head and Neck > Larynx. The larynx is a tough, flexible segment of the respiratory tract connecting the pharynx to the trachea in the neck. It plays a vital role in the respiratory tract by allowing air to pass through it while keeping food and drink from blocking the airway.
Common side effects from nicotine gum include bleeding gums, too much saliva, hiccups, indigestion, slight swelling of the mouth, injury to teeth or cheeks, nausea, upset stomach and sore throat. Less common or rare side effects may include diarrhea, dry mouth, swollen gums, sores in the tongue/throat/mouth, muscle pain, rashes and sweating.
1 Apply the mixture to your sore with a cotton swab. 2  The Milk of Magnesia or Kaopectate will coat the inside of the mouth and the Benadryl will act as a topical anesthetic and antihistamine and help reduce the inflammation. 3  It is very important that you do not swallow this mix. While you have a canker sore, avoid spicy or acidic foods such as tomatoes and orange juice and foods with sharp edges such as potato or tortilla chips and nuts. 2  These may aggravate the ulcer, not to mention giving you a jolt of pain.