Q:

How long does it take for food poisoning to take effect?

A:

Quick Answer

According to the Mayo Clinic website, the signs and symptoms of food poisoning from consuming contaminated food may begin within hours of consumption, or possibly not for days or weeks later. The sickness resulting from food poisoning may last for a few hours or up to several days.

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Full Answer

According to the Mayo Clinic website, infectious organisms in contaminated food are the most common causes of food poisoning. Food can become contaminated at any time during its production. The specific symptoms experienced from food poisoning depend on the source of contamination, but the most common symptoms include watery diarrhea, nausea, vomiting, abdominal pains and cramps or fever. The kind of infectious organism, the extent of exposure, age and health all influence whether someone becomes ill after eating contaminated foods. Older adults, pregnant women, infants and young children and those with chronic disease are considered high-risk groups.

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