4. Acid Reflux
When stomach acids get confused or blocked, they can travel the wrong way and end up moving back up into the throat of a person. This acid reflux can cause extreme abdominal pain, which is most often accompanied by a very unpleasant burning sensation in the throat.
This is the type of abdominal pain people might associate a hangover with, given that the recovery from a hangover usually involves acid reflux in one way or another, either voluntarily or involuntarily. As well as causing adnominal pain, acid reflux can also increase bloating, cause gas and cause a tightening sensation to be experienced.
The fact that the word ‘acid’ features prominently in one of the most possible causes of stomach pain should leave you in no surprise about the link. Acid is never really something that draws too many positive connotations, and when you combine that with the word reflux, you can be sure you’re dealing with something that is pretty nasty.