So each extra cigarette you have smoked has caused your throat to become extremely irritated.
In those scenarios you do end up coughing, there are a few things you could do differently while smoking to ensure the hit is smoother.
Once key biochemistry is exhausted you have less chemical components in your body to produce the same effect.
My main concern is, are those bumps like a tumor or strep throat, mono, throat cancer? And I usually eat something sweet and something salty, cause idk if my problem is with my sugar level or my pressure.