Sour Croissant Causes Illness - Jack in the Box,

I ordered a sausage breakfast croissant. It tasted sour to me, it didn't smell bad or look bad so I just assumed it was me. ( I hadn't eaten meat or fast food for about a year.)
Several hours later I felt miserable, I had stomach cramps, fatigue and nausea then really foul smelling watery diarrhea. The next morning I still felt awful as if I had a loose sphincter muscle. I went to work anyways, because my employer does not allow for sick days. | Symptoms: Diarrhea, Nausea, Cramps, Fatigue