How Long Does Food Poisoning Last? Types, Causes, Symptoms & Treatment

What Are 5 Types of Food Poisoning and Causes?

There are 5 types of food Poisoning.

Viruses and bacteria

Viruses are the most frequent induce of food poison in the U.S. The next highest causes are bacteria. About 31 viral and bacterial pathogens are creditworthy for about 9.4 million diagnosed food poison illnesses per year ; about 48 million food poison cases are unspecified ( undiagnosed ). annual, about 128,000 people are hospitalized and about 3,000 die from all causes of food poisoning. The most coarse pathogens that cause food poison are :

  1. Norovirus
  2. Salmonella
  3. Clostridium perfringens
  4. Campylobacter
  5. Staphylococcus aureus

The most common pathogens that caused hospitalizations due to contaminant of foods or fluids are :

  1. Salmonella
  2. Norovirus
  3. Campylobacter
  4. Toxoplasma gondii
  5. Escherichia coli (E. coli)

The most common pathogens that cause deaths are :

  1. Salmonella
  2. Toxoplasma gondii
  3. Listeria monocytogenes
  4. Norovirus
  5. Campylobacter

infectious agents comprise the largest category of food poisoning, but as seen from the above top categories, viral infections comprise the bulk of septic patients but are far less probably to cause hospitalizations and deaths than Salmonella bacteria. Because the bulge of “ unspecified ” causes is probably exchangeable to the constitution of the diagnose causes, this group of viruses and bacteria is considered to be the chief causes of food poisoning in the U.S.


There are many toxins that can cause food poison. Some are produced by bacteria on or in food and others are produced by plants and animals/fish or other organisms that are ingested. There are many plants and animals/fish that can be poisonous under certain conditions but they are encountered infrequently or under special conditions .Various toxins and their sourcesBacteriaPlantsAnimals/fish/otherenterotoxinsMushroom toxinsScombroid toxinexotoxinsBelladonaCiguatera toxincytotoxinsRicinSasitoxinneurotoxinsHemlockTetrodotoxin tied though there are many bacterial, plant, and other toxins that can be ingested with food and water, they are normally limited to relatively modest outbreaks .


Most parasites are ingested with contaminated food or water. Some of the parasites ingested include :

  • Giardia
  • Amoeba
  • Trichinella
  • Taenia solium


certain chemicals are considered toxins that can cause food poisoning. Although there are over 80,000 chemicals used in the U.S., only a few have been well studied. While most do not enter into foods, some do and cause food poison. An model of such a chemical is mercury, found in drink in water and in pisces such as tuna and marlin. other examples of chemicals that can be toxic if adequate contaminates food and water are pesticides, polychlorinated biphenyls, and lead. The causes of food and water poison are numerous. This brief list of causes should suffice as a framework to begin more detail studies of food poisoning. If viruses or bacteria cause food poisoning, it can be catching .

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