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.
A nicotine patch looks like an oversized adhesive bandage. The outer part of the patch sticks to your skin, while the inner portion presses against and slowly releases nicotine into your skin. See a picture of how to use these patches to help you quit smoking or stop using smokeless tobacco.ow to use nicotine patches. 1  Read and follow the directions enclosed with the medicine as well as any given to you by your doctor. 2  Apply the patch to a clean, hairless place on the skin between the neck and the waist, such as the upper arm, the shoulder, or the back.