I have had heartburn for over a year now,i think i might have something more severe,i waz taking zantac 150,then i found something that worked more better,Omeprazole Magnesium(compare to preacid) but now that am pregnant i dont kno what to take i stop taking everything,and my heartburn is killing me alive,i cant sleep i cant eat or eat anything..and i heard tums are the only thing a preg woman can take..but those work only for 10mins then i start again =""((...plz if any one know what to take to my my heartburn go away atleast at night so can sleep??