Hi, i am 26yrs Old man, smoked for 10years 3-4 cigrets a day,i went to cold turkey last month,it's been almost 1 month,1 week, now i am feeling heaviness in my left lung(may be chest,sometimes i feel there is cough & sore throat), i visited physician, he did blood test,xray & ECG, everything was normal, he prescribed me medicine of gastric pain(GERD),i still feel some symtoms of Heaviness in left side, at times it seems normal, sometimes it terrible, is it sign of Nicotene withdrawl........if yes than how long it will last....my weight is 57kg