What is food poisoning caused by

Food poisoning, also called foodborne illness, is illness caused by eating contaminated food. Infectious organisms — including bacteria , viruses and parasites — or their toxins are the most common causes of food poisoning. Most food poisoning is caused by bacteria , viruses , and parasites rather than toxic substances in the food.

But, some cases of food poisoning can be linked to either natural toxins or chemical toxins. Bacteria and Viruses ‎ Symptoms ‎ Molds, Toxins, Contaminants ‎ Parasites Possible Causes of Food Poisoning - WebMD https://www. Getting sick from eating food that has germs, viruses, or parasites is more common than you might think.

You may have symptoms like nausea, vomiting, and diarrhea within hours of eating. Jump to Causes - What causes food poisoning ? In most cases of food poisoning, the food is contaminated by bacteria , such as salmonella or Escherichia coli (E. coli), or a virus, such as the norovirus. Many types of germs and toxins may cause food poisoning , including:. Symptoms of food poisoning can begin hours or days after consuming contaminated food or drink.

The timing depends in part on the cause of. Most cases of food poisoning occur when people eat food or drink water containing bacteria, bacterial toxins (substances produced by bacteria), parasites , .