Food Safety Report: H-E-B, North FM 620, Austin, TX, USA 1 year ago • details 651 Suspected food poisoning. Symptoms: Diarrhea, Nausea, Cramps, Chills, Headache Suspected source: Watermelon Onset: Right away Duration: Less than 4 hours Onset: Less than 4 hours Duration: Less than 4 hours… See more