How do you test for food poisoning?

Sometimes the following tests are done:A stool culture may be done if your doctor suspects that you have eaten contaminated food, your symptoms are severe, or the diagnosis is uncertain.Blood tests may be done to help find out whether the food poisoning is caused by bacteria or to rule out other causes.More items... read more

Dehydration can make you dizzy when you stand up. Rarely, food poisoning can cause blurry or double vision, tingling, or weakness. Tests for Food Poisoning If your illness is severe or complicated, your doctor may run some of the following tests. Stool cultures are the most common lab test for food poisoning. read more

If the food suspected of causing the poisoning still is available, the food can be cultured. Identification of the causative bacterium may require a determination of the bacterial subtype since not all bacteria of one type, for example, E. coli, cause illness. read more