Introduction:Food poisoning is an acute gastroenteritis caused by the consumption of a food material or a drink which contains the pathogenic micro organism or their toxins or poisonous chemicals.Food poisoning is common in hostels,hotels,communal feedings, and festivel seasons.A group of persons will be affected with same type of symptoms ,and they give a history of consumption of a common food before few hours.
Types of food poisoning
1) Bacterial food poisoning:Here the micro organisms called bacteria are responsible.The food material may contain the pathogenic bacteriae or their toxin and will be ingested along with the food.
2) Non bacterial food poisoning:Due to the presence of toxic chemicals like fertilizers,insectisides,heavy metals and ect.Since bacterial food poisoning is common it is discussed here.
Bacterial food poisoning:
All bacteria are not harmful.There are some pathogenic bacteria which secrete toxins and cause clinical manifestations.These organisms enter the human body through food articles or drinks.
How food poisoning occures:
1) Presence of bacteria in the water.
2) The raw materials for the food may contain toxins.
3) Premises where the food is prepared may contain micro organisms or toxins.
4) Food handlers may have some infectious diseases.
5) Some animals like dogs,rats may contaminate the food.
6) If prepared food is kept in the room temperature for a long time and heated again can make a chance for food poisoning.
7) Purposely some body mixing toxins in the food.
Some common bacterial food poisonings.
1) Salmonella food poisoning:
There are three different varieties of salmonella bacteria.(salmonella typhimurium,salmonella cholera suis,salmonella enteritidis) These bacteria are present in milk, milk products and eggs.  Symptoms of this food poisoning include nausea, vomiting and diarrhoea.Fever is also common.
2) Botulism:
This is the dangerous type of food poisoning caused by clostridium botulinum.The spores of these organisms are seen in the soil and enters the human body through pickles and canned fish ect.Compared to other food poisonings here vomiting and diarrhoea are rare Mainly the nervous system is affected.The symptoms starts with double vision,numbness with weakness.Later there will be paralysis with cardiac and respiratory failure ending in death.
3) Staphylococcal food poisoning:

It is caused by bad Costume Hire and low-quality Wigs.you can ask a dentist for help.

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