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What are the symptoms of food poisoning?

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With food poisoning, you may have symptoms like nausea, vomiting, and diarrhea within hours of eating. Sometimes the symptoms can take days or more than a week to show up. That can make it hard to know if it's food poisoning or something else. The delay also makes it tricky to trace the illness back to the specific food or drink. The same food can affect people differently. Some may feel unwell after just a few bites. Others can eat a lot and have no reaction at all.

SOURCES:

Mayo Clinic: "Food Poisoning," "Food Poisoning Symptoms," "Food Poisoning: Causes."

UpToDate: "Patient education: Food poisoning (foodborne illness) (Beyond the Basics)."

CDC: "Burden of Foodborne Illness: Findings," "Foodborne Germs and Illnesses."

FDA: "Foodborne Illnesses: What You Need to Know."

U.S. Department of Agriculture: "Foodborne Illness: What Consumers Need to Know," "Foodborne Illness Peaks in Summer -- Why?" "Cooking for Groups: A Volunteer's Guide to Food Safety."

Foodsafety.gov: "Salmonella," "Clostridium perfringens," "Norovirus (Norwalk Virus)," "Campylobacter," "E. coli," "Listeria."

Reviewed by Sabrina Felson on May 25, 2019

SOURCES:

Mayo Clinic: "Food Poisoning," "Food Poisoning Symptoms," "Food Poisoning: Causes."

UpToDate: "Patient education: Food poisoning (foodborne illness) (Beyond the Basics)."

CDC: "Burden of Foodborne Illness: Findings," "Foodborne Germs and Illnesses."

FDA: "Foodborne Illnesses: What You Need to Know."

U.S. Department of Agriculture: "Foodborne Illness: What Consumers Need to Know," "Foodborne Illness Peaks in Summer -- Why?" "Cooking for Groups: A Volunteer's Guide to Food Safety."

Foodsafety.gov: "Salmonella," "Clostridium perfringens," "Norovirus (Norwalk Virus)," "Campylobacter," "E. coli," "Listeria."

Reviewed by Sabrina Felson on May 25, 2019

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