Food Poisoning Symptoms and Causes

Author: Alvin Alvin
Category: Health

What does food poisoning entail?

Foodborne sickness, more generally known as food poisoning, occurs due to consuming contaminated, damaged, or toxic food. Nausea, vomiting, and diarrhea are the most frequent symptoms of food poisoning.

Although it is highly unpleasant, food poisoning is not uncommon. Each year, 1 in 6 Americans may suffer some food poisoning, according to the Centers for Disease Control and Prevention (CDC)Trusted Source.


If you have food poisoning, it is unlikely that it will go unnoticed. Symptoms differ according to the infection’s source. The duration of symptoms also varies according to the source of the illness, however, it can range from 1 hour to 28 days. Food poisoning characterized by at least three of the following symptoms:

  • cramping in the abdomen
  • diarrhea
  • vomiting
  • Appetite loss
  • a low-grade fever
  • weakness
  • nausea
  • headaches

Symptoms of potentially fatal food poisoning include the following:

  • diarrhea that lasts more than three days
  • a temperature greater than 101.5°F
  • the trouble with vision or speech
  • Severe dehydration symptoms include a dry mouth, little to no urine output, and difficulty keeping fluids down.
  • urine that is bloody
  • If you encounter any of these symptoms, you should immediately consult your physician.

What is the source of food poisoning?

The majority of food poisoning attributes to one of three primary causes:


Bacteria are far and by the most common cause of food poisoning. When one thinks of hazardous germs, E. coli, Listeria, and Salmonella immediately spring to mind. Salmonella is far and by the most common cause of severe food poisoning in the United States. According to the CDCTrusted Source, salmonella infection is responsible for an estimated 1,000,000 cases of food poisoning each year, including roughly 20,000 hospitalizations. Campylobacter and Clostridium botulinum (botulism) are two lesser-known but potentially fatal germs found in our food.


While parasitic food poisoning is not as common as bacterial food poisoning, parasites spread through food are highly deadly. Toxoplasma is the parasite that is most frequently associated with food poisoning. It discovers in cat litter boxes. Parasites can dwell undetected in your intestinal tract for years. Individuals with lower immune systems and pregnant women, on the other hand, risk significant adverse effects if parasites establish a home in their intestines.


Viruses can also cause food poisoning. Norovirus, often known as the Norwalk virus, is responsible for nearly 19 million infections each year. Each year, a reputable source of food poisoning. It is rare for it to prove fatal. Sapoviruses, rotaviruses, and astroviruses all-cause comparable symptoms but are less prevalent. Hepatitis A virus is a dangerous infection spread by food.

How do tainted foods become tainted?

Pathogens are present in practically every food item consumed by humans. However, heating heat typically destroys viruses on food before it reaches our plate. Raw foods are a common source of food illness since they do not have to cook.

At times, food will come into contact with the microbes found in feces. This occurs most frequently when the person preparing the dish does not wash their hands before cooking.

Contamination of meat, eggs, and dairy products is a frequent occurrence. Additionally, water may contaminate pathogenic organisms.

Who is susceptible to food poisoning?

Anyone is susceptible to food sickness. Almost everyone, statistically speaking, will contract food poisoning at least once in their life.

Certain populations are more vulnerable than others. Anyone with a weakened immune system or an auto-immune condition may be at an increased risk of infection and food poisoning consequences.

Pregnant women are at an increased risk. The Mayo Clinic reports because their bodies are adjusting to changes in their metabolism and circulatory system throughout pregnancy. Additionally, elderly adults are at a higher risk of acquiring food poisoning, as their immune systems may be slower to respond to pathogenic organisms. Children are also a vulnerable population due to their less developed immune systems than adults. Young children are especially susceptible to dehydration as a result of vomiting and diarrhea.

What is the proper way to diagnose?

Based on your symptoms, your doctor may be able to diagnose the type of food poisoning. In extreme situations, blood tests, stool tests, and tests on the food consumed may be performed to discover the cause. Additionally, a urine test uses to determine whether an individual dehydrates due to food illness.

What is the treatment for?

It is typically treatable at home, with most cases resolving within three to five days.

It is critical to stay hydrated if you have a food illness. Electrolyte-rich sports drinks can help with this. Fruit juice and coconut water can replenish carbs and aid in the recovery process.

Caffeine should be avoided as it may irritate the digestive tract. Decaffeinated teas infused with calming herbs such as chamomile, peppermint, and dandelion may help settle an unsettled stomach. Continue reading to learn about further stomach upset cures.

Over-the-counter drugs such as Imodium and Pepto-Bismol can aid with diarrhea control and nausea suppression. However, you should see your physician before using these medications, as the body eliminates toxins through vomiting and diarrhea. Additionally, these medications may obscure the severity of the condition, causing you to procrastinate obtaining professional therapy.

Additionally, persons who have food illnesses should obtain lots of rest.

Individuals suffering from severe may require hospitalization for intravenous (IV) fluid hydration. In the most potent forms of food poisoning, an individual may require additional hospitalization while they heal.

What foods are safe to consume?

It advice to avoid solid foods until vomiting and diarrhea have subsided and to gradually return to your regular diet by eating bland, easy-to-digest foods, such as:

  • crackers salted
  • gelatin
  • bananas
  • rice
  • oatmeal
  • broth de poulet
  • tasteless potatoes
  • vegetables
  • toast
  • soda devoid of caffeine (ginger ale, root beer)
  • fruit juices diluted
  • alcoholic beverages

What foods should you avoid?

To avoid aggravating your stomach, avoid the following difficult-to-digest foods, even if you feel better:

  • lactose-containing goods, particularly milk and cheeses
  • fatty foods
  • items that are well-seasoned
  • foods containing a high sugar content
  • hot meals
  • foods

Additionally, it would help if you avoided the following:

  • caffeination (soda, energy drinks, coffee)
  • alcohol
  • nicotine
  • Outlook

While food poisoning is a very unpleasant experience, the good news is that most patients recover entirely within 48 hours. Learn more about what foods to avoid following.

How to avoid?

The easiest approach to avoid food poisoning is to handle it correctly and avoid potentially dangerous foods.

Certain foods are more prone to induce due to their production and preparation methods. Infectious agents may be present in meat, poultry, eggs, and seafood, but they destroy during cooking. It can develop if certain foods consume raw, improperly cooked, or if hands and surfaces are not cleanse after contact.

Other foods that may induce include the following:

  • Sushi and other raw or undercooked fish products
  • unheated or uncooked deli meats and hot dogs
  • ground beef, which may consist of meat from a variety of different species
  • milk, cheese, and juice that have not pasteurize
  • fruits and vegetables that have not wash

Hands should always be wash before cooking or eating food. Assure that your food is packaged and kept correctly. Cook meat and eggs well. Sanitize anything that comes into contact with raw foodstuffs before utilizing it to make other dishes. Always wash fruits and vegetables before serving.

Recommnded articles: