It is more likely to happen in summer due to high temperatures. Contaminated food can cause in half to 48 hours, symptoms such as nausea, vomiting, abdominal bloating (flatulence), abdominal pain and diarrhea.
You must always think which food was more likely to be contaminated because the infectious microorganisms vary a lot.
The treatment may be conservative with a liquid diet. If worse, it needs medical intervention.
An important factor in food poisoning is mushrooms. Then you need immediate transport to a health unit.