hi i am 37 yrs old female .suffering from acidity from the last 20 yrs .i had endoscopy n collonoscopy done last year which was normal. but 6months before ENT specialist diagnosed me with acid reflux and put on antacid for 10 days .then i was ok.but last 15 days i have heart burn specially 1 hour after meal particulary at daytime .i feel relieved on taking acilloc 150.how could i get rid of this and for how long should i take antacid without any harm or side effects