Food Poisoning Symptoms
Food poisoning symptoms may range from mild to severe and may differ depending on the germ you swallowed. The most common symptoms of food poisoning are:
- Upset stomach
- Stomach cramps
After you consume a contaminated food or drink, it may take hours or days before you develop symptoms. If you experience symptoms of food poisoning, such as diarrhea or vomiting, drink plenty of fluids to prevent dehydration.
See your doctor or healthcare provider if you have symptoms that are severe, including:
- Bloody stools
- High fever (temperature over 102°F, measured orally)
- Frequent vomiting that prevents keeping liquids down (which can lead to dehydration)
- Signs of dehydration, including little or no urination, a very dry mouth and throat, or feeling dizzy when standing up
- Diarrhea that lasts more than 3 days
Most people have only mild illnesses, lasting a few hours to several days. However, some people need to be hospitalized, and some illnesses result in long-term health problemsexternal icon or even death. Infections transmitted by food can result in:
- Chronic arthritis
- Brain and nerve damage
- Hemolytic uremic syndrome (HUS) resulting in kidney failure
Some germs make you sick within a few hours after you swallow them. Others may take a few days to make you sick. This list provides the symptoms, when symptoms begin, and common food sources for germs that cause food poisoning. The germs are arranged in order of how quickly symptoms begin.
If you think you or someone you know got sick from food, even if you don’t know what food it was, please report it to your local health department. Reporting an illness can help public health officials identify a foodborne disease outbreak and keep others from getting sick.