Signs and symptoms that you have consumed contaminated food

13 Symptoms of food poisoning

Symptoms of food poisoning can be witnessed either one hour or several hours or days after consumption of the contaminated food.

symptoms of food poisoning

The most common symptoms of food poisoning are;

  • Diarrhea – A person can have diarrhea as early as after one hour of consuming the contaminated food. The person will pass loose, watery stool that may contain mucus or blood. In some cases, the victim will visit the toilet almost every 5 minutes and they will feel like their stomach is rumbling. This can last for a day or more. If it lasts for more than 36 hours, contact your doctor immediately for medical examination and treatment.
  • Abdominal pain and cramps – Stomach pain and cramping can occur one hour after consuming the contaminated food or even after several hours. Toxins produced by the harmful organisms in the body cause painful inflammation in the stomach and thus abdominal pain.
  • Fever – Fever is also one of the common symptoms of food poisoning and it can manifest a few hours after consuming the poisoned food and last for longer than 24 hours. A person will have a fever higher than 38.2 degrees Celsius.
  • Weakness and lack of energy – Weakness and lack of energy are common symptoms of food poisoning and all this is caused by other symptoms. Lack of appetite, vomiting, and diarrhea can all lead to weakness and fatigue.
  • Loss of appetite – Loss of appetite is also one of the common symptoms of food poisoning. The victim will just have a general feeling of lack of appetite and when they try to force to eat, they can throw up.
  • Muscle ache – Muscle aching can happen in food poisoning. This is because of the inflammation caused by the activated immune system. The production of histamine, a chemical that helps in facilitating the movement of enough white blood cells to fight infection. Histamine can get to other body parts and cause the activation of pain receptors.
  • Chills – Chills happen as the body muscles contract and relax rapidly to increase body temperature. This often accompanies a fever.
  • Headache – Headache is also a common sign of food poisoning. It usually occurs alongside other symptoms such as vomiting and diarrhea. These two can cause dehydration in the body and eventually lead to a headache. There’s no scientific explanation as to how this happens.
  • Vomiting – Vomiting with nausea or just vomiting alone can be a symptom of food poisoning. Vomiting is a protective mechanism of the body trying to get rid of the toxic substance in the body. The abdominal muscles contract strongly causing forceful ejection of the poisonous substance.
  • A general feeling of sickness – A person will have a general feeling of sickness like lack of appetite and fatigue. This is caused by the production of cytokines, chemical messengers that regulate the body’s immune system in fighting the infection. The cytokines can send signals to the brain and cause the symptoms associated with general illness.
  • Bloating and gas – Bloating and gas is also a common sign of food poisoning. The victim will be passing out a very smelly gas that smells like something rotten. The stomach can also produce some rumbling sounds due to the accumulation of gas.
  • Nausea – Nausea is a feeling of queasiness and it can either lead to vomiting or not. This is a warning sign of a possible food poisoning but it can also be caused by other infections or conditions.
  • Dehydration – Several other symptoms of food poisoning can lead to dehydration. Vomiting and diarrhea can all cause the body to lose excess water and lead to dehydration. The person will have dry lips and throat. Taking enough fluids here can help.
How long does food poisoning last?

Food poisoning in most cases can last for only 1 to 2 days. But incase the symptoms manifest for more than 2 days, you must contact your doctor as it can lead to something serious if not checked.

What is the first sign of food poisoning?

Immediately after consuming poisoned food a person can feel nauseous, vomiting and diarrhea. These are the common early signs of food poisoning.

Can food poisoning make you dizzy?

Food poisoning cannot cause dizziness directly but excess vomiting can make a person to have a feeling of dizziness.

How quickly does food poisoning affect you?

Food poisoning can affect you after one hour of consuming contaminated food or even after 2 days. The time taken for the symptoms to manifest will heavily depend on the harmfulness of the ingested substance and how the body’s immune system responds.

How long does diarrhea from food poisoning last?

Diarrhea from food poisoning can last for 1 to 2 days in most cases. In circumstances where diarrhea lasts longer than 2 days, the victim should contact the medical professionals immediately.

Does food poisoning cause foul smelling diarrhea?

Yes, food poisoning causes foul smelling diarrhea. This is because some of the organisms causing food poisoning can produce toxins in the body that have a foul smell and when you diarrhea the smell will be a very unpleasant one.

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