Causes Of Food Poisoning, Symptoms, Diagnosis, And Best Treatment

Causes Of Food Poisoning: Food poisoning is a common disease. Most of the time many people are seen suffering from this disease. An illness caused by food is called food poisoning. Food poisoning occurs when someone eats contaminated, spoiled, or poisoned food, infected with bacteria, viruses, and parasites.

Causes Of Food Poisoning

These pathogens can contaminate food by coming into contact with food during food processing or production, and storage. Besides, various cooking problems also lead to the contamination of food.

Causes of food poisoning

Bacteria: Bacteria such as E. coli, Salmonella and Listeria are the most common causes of food poisoning. According to the Centers for Disease Control and Prevention (CDC), about 1.2 million people in the United States suffer food poisoning, 23,000 are hospitalized, and 450 die yearly due to Salmonella.

Campylobacter and Clostridium botulinum (botulism) are two lesser-known bacteria that can contaminate food.

Viruses: Viruses, especially norovirus, also known as Norwalk virus, cause more than 19 million cases of food poisoning each year. The Hepatitis A virus can also be transmitted through food.

Parasites: Food poisoning caused by parasites is not common but, it can be dangerous to your health. Toxoplasma is the most common food-poisoning parasite.

Symptoms Of Food Poisoning

Symptoms of food poisoning vary depending on the source of infection. Its symptoms are-

Symptoms Of Food Poisoning
  1. Diarrhea
  2. Not being hungry
  3. Stomach pain
  4. Nausea or vomiting
  5. Fatigue
  6. Fever
  7. Headache

When food poisoning is life-threatening, the symptoms are-

  • Fever greater than 101.5 degrees Fahrenheit
  • Suffering from diarrhea for more than three days
  • Difficulty speaking or seeing
  • Severe dehydration

Risk of food poisoning

Risk of food poisoning

1) Children, young children, and the elderly are at higher risk of food poisoning. Because their immune system is weak.

2) Metabolism and various changes in pregnant women can increase the risk of food poisoning in their bodies.

3) Chronic diseases like liver disease, AIDS, and diabetes can lower the body’s immune system. Hence, the risk of food poisoning is higher in people with chronic diseases.


Acute dehydration is the most feared complication of food poisoning. Food poisoning during pregnancy complicates the problem.

E Coli bacteria species can cause a serious complication called a hemolytic uremic syndrome, which causes kidney problems. Also, adults, people with weakened immune systems, and children under five years of age are at higher risk of developing this complication.


A doctor makes a diagnosis based on the patient’s detailed history, how long he has been ill, various symptoms, and the foods he has eaten.

Based on the patient’s symptoms and history, a doctor performs stool tests and blood tests to determine what is responsible for food poisoning.

A urine test is also done to see if a person is dehydrated as a result of food poisoning.

treatment of food poisoning

1) Food poisoning can be treated at home and usually resolves within three to five days.

2) Keep yourself hydrated all the time. Drink electrolyte water to maintain fluid balance in the body.

3) Hospitalization for food poisoning due to the Listeria bacterium requires treatment with intravenous antibiotics.

4) Doctors use antibiotics in some patients.

5) If the patient’s condition is very critical, doctors treat it with intravenous saline.

What to eat during food poisoning

  • Banana
  • Rice
  • Thin chicken broth
  • Boiled vegetables
  • Toast
  • Fruit juice, canned water

What not to eat

  • Fatty foods
  • Dairy foods
  • Spicy and fried foods
  • High sugar foods
  • Caffeinated beverages should be avoided.

how is food poisoning prevented?

1) Always wash fruits and vegetables before eating or cooking.

2) Wash hands thoroughly before eating or cooking.

3) Don’t eat milk, bananas, or fruits if they are old, try to eat fresh food.

4) Boil water and eat.

5) Do not keep any food covered. Cover properly, otherwise, various types of insects (mosquitoes, flies) can sit on the food and spread germs.

6) Do not eat street food.

7) Meat must be cooked on high heat for long periods of time. Then the bacteria will be destroyed.

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