What are food poisoning?


Question by: Danthon Grasso | Last updated: January 22, 2022

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Food poisoning is a term given to infections with bacteria, parasites, viruses, or toxins by germs that affects humans via contaminated food or water. The most common causative organisms are staph or Escherichia coli.

What are the causes of food poisoning?

Food poisoning can be due to the ingestion of contaminated food or a lack of hygiene standards in the preparation and storage of food.

How to tell if the body is intoxicated?

Food poisoning symptoms can appear a few hours after eating contaminated food, but also a few days later.

What are the symptoms of food poisoning?

  1. severe nausea.
  2. He retched.
  3. dysentery.
  4. stomach ache.
  5. abdominal cramps.
  6. heachache.
  7. dizziness.
  8. lack of appetite.

What are the main food poisonings?

Fortunately, cases of serious poisoning are rare, such as: botulism, severe salmonellosis, cholera, liver carcinomas due to fungal toxins, mushroom poisoning, severe wild plant poisoning, neuromotor paralysis from algal toxins, death from tetradotoxin (puffer fish but not only), …

What is the difference between infection and toxic infection?

A pathogenic microorganism causes a food infection while, in acute forms, the presence of toxins causes intoxication.

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What to do in case of food poisoning?

Food poisoning can usually be treated at home without consulting a doctor. Most people get better within a few days. It is important to avoid dehydration by drinking plenty of water as it is necessary to replace the fluids lost through vomiting and diarrhea.

Which bacterium produces cooking-resistant toxins?

Cooking at temperatures above 65 ° C kills bacteria. However, the Listeria bacterium can contaminate foods after their production (for example, contamination can occur after cooking food but before packaging it).

What drugs to take for food poisoning?

Anti-allergy agents. Atropine is administered for mushroom poisoning. Diphenhydramine and cimetidine are anti allergy agents which are prescribed for fish poisoning and mannitol is recommended for symptoms related to ciguatera nerve poisoning.

What are the most common symptoms of the toxins you have studied?

Food poisoning symptoms

  • Diarrhea.
  • He retched.
  • Nausea.
  • Abdominal cramps.
  • Fever.

How long does an intoxication last?

Food poisoning has a very variable duration depending on the microorganism or toxic substance that caused it. Generally, the most common forms last from 1-3 days to a week, but in some cases it may take longer to recover normal intestinal function and full well-being.

What happens if toxic substances are inhaled?

Inhaling certain gases and chemicals can trigger an allergic response that leads to inflammation and, in some cases, scarring of the lung cavities (alveoli) and lung bronchioles. This condition is called hypersensitivity pneumonitis

What poisons the body?

Bacterial poisoning can arise from the intake of water or contaminated or badly preserved food. Here are some of the more common bacterial toxins. Salmonella. It can be found in all meats, both white and red, in eggs, fish, shellfish and some types of vegetables.

What happens if you eat something that has gone bad?

and intoxications. Others, more serious, appear in case of food poisoning and toxic infections: vomiting, dysentery, nausea and fever can occur after the ingestion of expired food but also contaminated by dangerous microorganisms, such as viruses, bacteria or fungi.

How to tell if you have salmonella?

The diagnosis of salmonellosis is made through coproculture (fecal culture examination). In severe forms there may also be isolation of the microorganism from blood, urine or exudates culture.

What do foods polluted with salmonella and staphylococci look like?

Symptoms of staph food poisoning usually come on suddenly with severe nausea and vomiting beginning approximately 2-8 hours after eating contaminated food. Other symptoms may be cramping abdominal pain, diarrhea, and sometimes fever and headache.

What is the difference between poisoning, infection and food poisoning?

A food poisoning is caused by microorganisms that produce toxins and can multiply in the food, while an infection is caused by invasive microorganisms that penetrate and spread into human tissues.

What do microorganisms need to grow?

Pathogenic bacteria mostly (not all) develop at intermediate temperatures.

How to avoid listeria?

Prevention and treatment

  1. rinsing raw foods, such as fruits and vegetables, thoroughly under running water before eating, cutting, or cooking them (even if they will be peeled)
  2. clean foods such as melons and cucumbers with a clean brush.
  3. dry the products with a clean cloth or paper towel.

What to take for fish poisoning?

Mackerel poisoning

Symptoms are often mistaken for those of a fish allergy. Unlike other fish poisoning, this can be prevented by properly storing the fish after capture. Treatment involves the administration of anti-H1 and anti-H2 drugs.

At what temperature do bacteria die?

Most bacteria are killed in 5-10 minutes at 60-70 ° C (with moist heat). Bacterial spores are killed at higher temperatures, often above 100 ° C.

How to break down the bacteria?

Cooking at internal temperatures of 70 ° C to 100 ° C kills most of the existing pathogens; Keep food hot at a temperature equal to or higher than 65 ° C or cool it to a temperature equal to or lower than 7 ° C; Keep leftovers in the fridge and consume them within 2 to 3 days.

What is the effect of cold on bacteria?

Cold does not destroy viruses and bacteria, indeed, many of them survive the cold better than at room temperature. Precisely for this reason in research laboratories they are stored at temperatures ranging from 20 to 200 degrees below zero.

What is the most common toxic infection in Italy?

In humans, Campylobacter spp. are confirmed as the most frequently reported disease, accounting for 50% of all reports alone (220,682 confirmed cases). Salmonella spp. Infections follow.

What to eat after food poisoning?

What to eat? In case of vomiting it may be advisable to wait for the resolution of the acute phase, but always paying attention to the risk of dehydration; later it is possible to gradually reintroduce solid and light foods such as rice, potatoes, bread, lean meats, bananas, …

How does cross-contamination happen?

Cross-contamination, as anticipated, occurs when there is the involuntary transfer of the contaminant element from one food to another, very often from raw to cooked food. … direct cross-contamination: when an infected food comes into direct contact with another non-infected food.


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