The symptoms usually start within a few days of eating the food that caused the infection.
Sometimes they start after a few hours or not for a few weeks.
You can usually treat yourself or your child at home.
The symptoms usually pass within a week.
Stay off school or work until the symptoms have stopped for 2 days. This is when you're most infectious.
You can catch food poisoning if you eat something that has been contaminated with germs.
Food poisoning is usually caused by:
- campylobacter bacteria – the most common cause of food poisoning in the UK
- salmonella bacteria
- E. coli bacteria