Nausea: unpleasant sensation of feeling like you're about to vomit

Vomiting: forceful expulsion of gastric conten

Retching: absence of expulsion of gastric content

Regurgitation: return of esophageal contents to hypopharynx 

BOLO hypochloremic metabolic alkalosis (throwing up stomach acid (HCl) alkalosis hypokalemia)


For motion sickness/vertigo

For acute gastroparesis

For acute nausea