30 Foods That Cause Acid Reflux
Lemon

Lemon is pretty bad for your teeth because it can eat away at your enamel. Think about what it can do to your stomach! Lemons irritate the stomach and can trigger acid reflux symptoms in no time.
Sadly, lemon water is just as bad. Lemon water (and lemon) is strong enough to eat away at the enamel of your teeth, so it may be best to avoid this altogether.