Prolonged diarrhea and vomiting severe reflux. . . hypokalemia) may be caused by diarrhea, vomiting . . . tract that usually causes vomiting with diarrhea) Gastroesophageal reflux . . When an infection is the cause of vomiting, diarrhea . . . . . Obviously, in these severe . Nausea persists for a prolonged period of . . . . Causes of Severe Nausea, Vomiting & Diarrhea; Causes . . . Antacids for reflux symptoms associated with nausea and vomiting may be used. . in the blood can be problemat... more