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Symptoms of food poisoning often include upset stomach, diarrhea and vomiting. Symptoms usually start within hours or several days of eating the food. Most people have mild illness and get better without treatment.
Some people with salmonella infection have no symptoms. Most people develop diarrhea, fever and stomach (abdominal) cramps within 8 to 72 hours after exposure. Most healthy people recover within a few days to a week without specific treatment.
A diagnosis is based on a physical exam and a review of things that may be causing vomiting, diarrhea or other symptoms. Questions from your health care provider will cover: Your symptoms. Food or drinks you've had recently. Symptoms in people who ate with you. Recent changes in the drugs you take. Recent travel.
Botulism is a rare but serious condition caused by a toxin that attacks the body's nerves. Botulism may cause life-threatening symptoms. A type of bacteria called Clostridium botulinum produces the toxin. Botulism can occur as the result of food or wound contamination.
Symptoms of food poisoning vary with the source of contamination. They may include: Diarrhea, which may be bloody. Nausea. Belly pain. Vomiting. Dehydration. Low-grade fever (sometimes). If you are very dehydrated, you might notice:
Learn about lead poisoning symptoms and treatment of lead exposure in children and adults. Explore ways to keep your kids safe from lead exposure.
Most types of E. coli are harmless or cause relatively brief diarrhea. But a few strains, such as E. coli O157:H7, can cause severe stomach cramps, bloody diarrhea and vomiting. You may be exposed to E. coli from contaminated water or food — especially raw vegetables and undercooked ground beef.
Listeria infection is a foodborne bacterial illness that can be very serious for pregnant women, people older than 65 and people with weakened immune systems. It's most commonly caused by eating improperly processed deli meats and unpasteurized milk products.
Poisoning symptoms can mimic other conditions, such as seizure, alcohol intoxication, stroke and insulin reaction. Symptoms of poisoning may include: Burns or redness around the mouth and lips. Breath that smells like chemicals, such as gasoline or paint thinner. Vomiting. Difficulty breathing. Drowsiness. Confusion or other altered mental status.
Alcohol poisoning is a serious — and sometimes deadly — result of drinking large amounts of alcohol in a short period of time. Drinking too much too quickly can affect breathing, heart rate, body temperature and gag reflex.