Food poisoning can begin immediately, especially if it is caused by a chemical contaminant. However food poisoning is most commonly caused by organisms such as Norovirus or Salmonella. Onset from this type of food poisoning can range from as little as 1 hour (Staphylococcus aureus) to as long as 28 days (Hepatitis A). Learn more: Food Poisoning Timeline
Staying hydrated is most important. It is recommended to see a doctor if you have high fever (temperature over 101.5 F), blood in your stool, prolonged vomiting, or dehydration. Signs of dehydration, including a decrease in urination, a dry mouth and throat, and feeling dizzy when standing up, or diarrheal illness that lasts more than 3 days. Learn more.
Most often, food poisoning is mild and resolves without treatment within a few days. But in some cases it can last longer and may require hospitalization and medical treatment. Learn more.
Food poisoning symptoms may range from mild to severe and can differ significantly depending of the contaminant . The most common symptoms of food poisoning are:
Food poisoning should be reported. It can help to detect outbreaks early and prevent others from being harmed. It also enables better surveillance of establishments that have repeat problems. Learn More.