Effects of Food Poisoning – The Common Effects of Food Poisoning

Food poisoning is one of the conditions that occurs as a result of consuming food that is contaminated by virus and bacteria. There are many effects of food poisoning that is seen within 2 to 6 hours after consuming the contaminated food. This was stated by the health professionals at medlineplus, which is an online encyclopedia. Some of the common effects of food poisoning occurs due to the ingestion of food that has been poorly handled, undercooked or if not stored properly. Some of the common effects of food poisoning are nausea and vomiting, headache, diarrhea and fever.

Food Poisoning Effects

Some of the common side effects are:


  • Vomiting and nausea are the most predominate effects related to food poisoning.
  • When these toxic bacteria enters the body through the digestive tract then the immune system weakens.
  • This could result in nausea and vomiting, which is an attempt to eliminate the toxins from the body.
  • The nausea and vomiting depends upon the type of toxins and the amount that has been consumed through the contaminated food.
  • According to the Med-line, these effects last for approximately 12 – 48 hours.
  • However, if these effects stay for a longer period that is more than 48 hours then you can call your primary care physician.


  • After the ingestion of any contaminated food, you might even experience diarrhea.
  • Diarrhea can result in loose and frequent bowel movements that can result in loose and watery motions.
  • It can also result in dehydration by creating an imbalance in the electrolyte levels in the body.
  • You can also experience lightheadedness, increased thirst or fatigue.
  • You may also suffer from fainting sensation and when you experience this symptom then you need to consult a doctor immediately.


  • When you eat food that is contaminated with viral or bacterial toxins, you might suffer from fever as well.
  • Your body temperature may also increase as a result of an imbalance in the immune system.
  • Fever that occurs in food poisoning is usually low grade one, but if the temperature remains unusually abnormal and does not come down within a day or two then show yourself to a doctor for further treatment.


  • You might develop a severe headache as well and the pain can be from a mild one to moderate.
  • Headache can be another sign of dehydration as well because these bacteria and viruses causes diarrhea, which result in headache due to dehydration.
  • Start drinking water as this reduces headache in certain people.

These were some of the common effects of food poisoning, which are not dangerous. However, if the condition of the person suffering from food poisoning worsens then take him/her to the doctor immediately for treatment to avoid complications.

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