Food poisoning and stomach flu have much in common, but they’re in fact two kinds of illnesses.
So, what’s the difference between food poisoning and stomach flu?
Difference in Definition:
Food poisoning is a foodborne illness caused by eating contaminated food, while stomach flu is a digestive disease caused by viral infection.
Difference in Symptoms:
Symptoms of both include diarrhea, nausea, vomiting and fever. But there’re still some differences.
- For food poisoning, some cases may be symptom-free.
- In severe cases of food poisoning, bloating, gas, slurred speech, and blurred vision may occur.
- Diarrhea is often bloody in the case of food poisoning, and non-bloody in the case of stomach flu.
Difference in Duration:
Food poisoning can be mild and only last for an hour. It can also be severe and last for weeks. As to stomach flu, it usually lasts for a few days, occasionally for ten days.
Difference in Causes:
Food poisoning is caused by eating food contaminated by harmful organisms: viruses, bacteria, and parasites, while stomach flu is caused by certain viruses.
Difference in Ways of Developing:
Food poisoning is developed by eating contaminated food, while stomach flu is developed through close contact with infected persons, as well as by eating contaminated food.