What details did the patient provide regarding their chief complaint and symptomology to derive your differential diagnosis? What is the duration and severity of their symptoms?

Grand rounds discussion: complex case study presentation/prac 6675:

The patient provided a detailed account of their chief complaint and symptomology. They reported feeling nauseous, having abdominal pain and cramping, along with intermittent bouts of vomiting and diarrhea. They also reported that the symptoms had been present for several days, but were becoming more severe in intensity over time.