Some people may start to feel as if they are getting cold or flu kind of symptoms when first quitting smoking. Some complain of burning sensations in their lungs. There is a regeneration of nerve cells throughout the larynx, trachea, and bronchi which may very well cause these kind of sensations. At the same time though, it is also always possible that the recent quitter is in fact coming down with a cold or a flu. The following resources explore the issues involved with why these symptoms may be happening from having just quit smoking, but also discusses the importance of getting them checked out if they are prolonged, intense or accompanied by other indicators of actual infection.