Headache or fatigue
For most healthy adults, these symptoms are uncomfortable but resolve within 2–3 days as the body flushes the bacteria naturally.
What's Happening Inside Your Body
When harmful bacteria enter your digestive tract, they release toxins that irritate the stomach and intestinal lining. Your body responds by triggering vomiting or diarrhea—natural defense mechanisms designed to expel the threat quickly.
That "rotten egg" smell comes from hydrogen sulfide and other sulfur compounds produced as proteins break down. While these compounds signal spoilage, they aren't inherently toxic—the real concern is whether pathogenic bacteria have also taken hold.Who Should Take Extra Care
Certain groups face higher risks of complications from foodborne illness:
Young children (under 5)