Food poisoning is caused by contaminated food, if a person is having nausea, vomiting, fever, watery diarrhea and abdominal cramps first aid tips given below should be performed while taking the person to the hospital.
First Aid
Avoid solid foods until vomiting stops. Later have light, bland foods for a while such as crackers, bananas, rice, or bread
Sipping liquids mostly helps avoiding vomiting
Avoid fried, greasy, spicy, or too sweet foods
Don’t self medicate. Let your Doctor decide
Drink clear fluids, in small sips while gradually increasing intake
If the bouts of vomiting and diarrhoea last more than 24 hours, drink an oral rehydration solution (ORS)