2022. 6. 16. · When you stop smoking, your heart rate slows down, thus slowing down your metabolism. When you are not getting that punch of nicotine, you may feel tired, sleepy, and lethargic. You might feel run down, almost as if you have a cold—in fact, some people refer to this feeling as the "smokers' flu" or "quitters' flu.". So if you find that vaping irritates your throat and makes you cough, try an e-juice with less nicotine. Black Note offers 0.3 % and 0.6 % nicotine, which are less likely to make you cough than our 1.2% or 1.8% strengths. The challenge here is that some "throat hit" is generally seen as positive by recent switchers, and you obviously need.