<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi...actually i wanted to knw if he is addicted to cigareete i.e smoking..can he leave it immediatly..is it gd leaving at a sudden..actually my father who is 48yrs old..is suffering from continuous cough and gas trouble..so wht can b d remedy for that..is der medicine for that so dat he can forget smoking.  <response>: Hello rearward welcome to Chat Doctor.come have evaluated your query in details . First congratulations on your decision and be firm over that. There are no hazardous effects of quitting smoking abruptly, just you feel some uneasiness, craving for tobacco for next 72 hours. There are many empiric molecules available for quitting, but nothing works as perfect as your inner moral. Hope this will help you for sure . Wishing you fine health ahead . Welcome for any further guidance. Regards . 