Food Poisoning - Symptoms

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What are the signs and symptoms of food poisoning?

Food poisoning most commonly causes:

  • abdominal cramps,
  • vomiting and
  • diarrhea.

This can cause significant amounts of fluid loss and with nausea and vomiting, it may be difficult to replace that fluid, leading to dehydration. In developing countries where infectious epidemics cause diarrheal illnesses , thousands of people die because of dehydration.

As noted in the section above, other organ systems may be infected and affected by food poisoning. Symptoms will depend upon what organ system is involved (for example, encephalopathy due to brain infection).

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See what others are saying

Comment from: Tarantulady, 25-34 Female (Patient) Published: December 05

Two hours after eating (caused by either fried clams or strawberries or frozen yogurt) I almost instantly got a strange feeling of confusion and dizziness. I just sat there wondering and then suddenly began having almost purely-water diarrhea. The diarrhea was joined by strong vomiting about 2 hours in. The vomiting was uncontrollable for about 1 to 3 hours where I thought I'd choke! Every drop of water I drank came out. Twelve hours later, doctors for a shot of Tigan so I can drink. It's been 30 plus hours since onset, nausea is stopped (by drug) and diarrhea and bloating have continued. I think I'll never eat food again!

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Comment from: charlie, 45-54 Female (Patient) Published: December 19

Symptoms included stomach cramps, watery diarrhea, and dizziness. I also experienced burping with a foul egg taste. The symptoms occurred about 12 hours after eating and lasted for 2 days. I still felt light headed and tired a few days after. I drank lots of Gatorade and water and ate bland foods so as not to upset my stomach during recovery. It occurred after I ate take-out ordered from a person's home. I will never do that again!

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