Myocardial infarction (MI) refers to tissue death of the heart muscle caused by ischaemia, the lack of oxygen delivery to myocardial tissue.It is a type of acute coronary syndrome, which describes a sudden or short-term change in symptoms related to blood flow to the heart. The inflammation of the pleura is called pleuritis. And my singing got better too – a whole upper octave that I couldn’t reach before. 5 yr. ago thanks , apparently there are a lot of testimonials on the net about chest pain AFTER quitting smoking. Back pain after quitting smoking As stated above, cigarette smoke damages your blood vessels. Chest pain after quitting smoking? : stopsmoking - reddit It’s important to control your pain so you can cough, breathe deeply, use your incentive spirometer, and get out of bed and walk. It takes anywhere from 1 to 9 months for cilia to repair themselves, longer for long term smokers. 1-2 weeks. Share. Many studies have shown using NRT can nearly double the chances of quitting smoking. Quitting can cause depression, anxiety, and irritability. Nicotine withdrawal: Your back pain and chest pain are not from nicotine withdrawal or quitting smoking. The cough mostly begins as a dry cough which is very bad, and it can eventually lead to chest pain. It’s important to see a doctor if: A cough persists for more than 2-3 weeks. Shortness of Breath After Quitting Smoking - New Health Advisor