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.
There are two types of nicotine patches: 1  16-hour patches are for light-to-average smokers. 2  24-hour patches provide a more constant dose of nicotine to help you resist cigarette smoking throughout the day and night, but the chance of side effects is higher.he nicotine patch is available at a wide variety of stores and has an average cost per day of $4. There are two types of nicotine patches: 1  16-hour patches are for light-to-average smokers. 2  They are less likely to cause side effects, but donât help with morning cigarette cravings.