Hello welcome to the health care magic Acid reflux condition needs medical as well life style management.... The prescribed lansoprazole drug should be continue here as it will reduce acidity... If you are obese then have to loose weight... Smoking avoided strictly if having habit Avoid excess spicy foods and fatty meals as spicy foods increases acid secretion and fatty meal delay gastric emptying Coffee, chocolate better to avoid... Non veg foods restricted.. Take meal two hour before sleep.. During sleep keep head up by putting pillow below head If you are not improving then Hiatus hernia like condition ruled out by barium meal or endoscopy.. If no any cause found and medical management not effective in preventing reflux then fundoplication like surgical management can be planned by your gastroenterologist Take care Hope your concern solved