I've been catching up on some post reading and I've seen these two words used synonymously more times than I can count, both in questions and in answers. The two are very different, and I've seen some really bad advice given, and some really inaccurate symptom descriptions, because of a lack of distinction between the two words. If you're experiecing constant VOMITTING, and you're expericing constant PBING, you're experiencing completely different things with completely different symptoms and completely different causes.

Vomiting is when the contents of the stomach are purged through the mouth. The contents of the stomach include things like stomach acid, and anything that is yet undigested. If you've just eaten a big meal, and you bring up a bit of saliva, you aren't chances are you are not vomitting.

PBing (granted definitions vary, but in general it's the same principle) is when something cannot pass throught he stoma and has to be ejected, generally through esophageal spasms, through the mouth. The contents of the stomach are not involved. It's usually just whatever got stuck and whatever you've swallowed since. Sometimes when you PB whatever was stuck is pushed through and you only bring up some nice frothy and perhaps discolored saliva.

Totally different things. But when you use them synonymously, you're in the position of giving someone some really bad advice, or really misleading people about the symptoms you're experiencing.

Good clarification Wheets!