Food Safety Report: Clamps, Portuguese Settlement, Melaka, Malacca, Malaysia 1 year ago • details Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Fever, Stomach Pain, Cramps, Chills, Headache Suspected source: Clamps Seafood Onset: 12 to 24 hours Duration: 12 to 24 hours Sick: 4 people