Omeprazole is often used to treat acid reflux, heartburn and stomach ulcers facebook.comCommon heartburn drug taken by millions ‘raise the risk of deadly bacterial infections’ The Irish SunHealth chiefs issue warning for common acid reflux drug taken by millions over infection fears MSNOmeprazole NHS warning to anyone who takes it for heartburn and indigestion The MirrorSide effect of stopping omeprazole as NHS issues warning over use LADbible