The nicotine in the Nicorette chewing gum belongs to the group of withdrawal drugs. What it is used for Nicorette Menthol Mint chewing gum contains nicotine and is used to treat the withdrawal symptoms most smokers experience when they want to reduce or stop smoking. Do not use if – You are allergic to any of the ingredients in this medicine. – You have a serious heart condition: – a recent heart attack; – cardiac arrhythmias; – a tight, painful feeling in the chest (angina pectoris); – a so-called Prinzmetal angina. – You have recently had a cerebral haemorrhage (stroke). – You have an inflammation of the mouth, throat or esophagus