I huv been diagnosed for GERD for about 3 years i am taking ranitidine twice a day and domperidone once a day still some time i feel heartburn. Its been 7 days i started smoking what i felt it relieved my acid reflux even heartburns now i stoped taking ranitidine from 3 days and i am all well no heartburn if i experience heartburn i just smoke one or two cigarette n it get relieved my doctor asked me to stop smoking it will worse the condition n i surf the internet n got same answer my question is if it worse the condition than why its helping n relieving my condition