In Everyday
Life, millions of people eat food contaminated with bacteria, viruses, or parasites
which may result in food poisoning, an uncomfortable experience characterized
by nausea, vomiting, and diarrhoea.
Food poisoning is defined as any disease of
an infectious or toxic nature caused by the consumption of food or drink. The
term is most often used to describe the illness, usually diarrhea and/or
vomiting caused by bacteria, viruses or parasites.
Very occasionally poisonings
from chemicals may be the cause. Anyone
can come down with food poisoning. Most people are infected at least once in
their lives. Pregnant women, children, the elderly, and individuals with
suppressed immune systems are at greater risk of complications.
What
are the Symptoms of Food Poisoning?
Symptoms
vary depending on the source of the infection. Common cases of food poisoning
usually include the following symptoms:
Abdominal pain
Diarrhea
Vomiting
Mild fever
Weakness
Nausea
Headaches
What Causes Food Poisoning
Norovirus
Norovirus
is a contagious virus responsible for more than half of food poisoning cases.
It is usually spread by unsanitary food preparation. Cooks or servers who do
not wash their hands before touching food can spread the norovirus.
Botulism
Botulism
is a rare (but serious) illness caused by bacteria that grow in foods that have
been improperly canned or preserved.
E.
Coli
Escherichia
Coli is a type of bacteria found in the intestines of all humans and animals.
Certain strains can cause illness when ingested. The bacteria may contaminate
meat during processing. It can also seep into foods that are not prepared
safely.
Salmonella
Salmonella
is a type of bacteria in the intestines of animals. It can live in animal
products such as meat and eggs. If you cook your foods long enough or at high
enough temperatures, it should kill all Salmonella present.
Contamination
most often occurs when foods or drinks come in contact with organisms in fecal
matter. Foods eaten raw are common sources of illness because they do not go
through the cooking process. Heat from cooking often kills pathogens on the
food.
Due
to the crowded conditions in many animal-processing facilities, meat, eggs, and
dairy products are frequently contaminated. Many of the contaminants are killed
when these products are cooked or pasteurized. However, in some cases, the
bacteria or viruses are able to survive.
Water
may also be contaminated with organisms that cause illness, especially in
countries where water treatment is uncommon or not well managed.
How
Is Food Poisoning Diagnosed and Treated
Most
cases of food poisoning resolve within several days. Food poisoning that causes
severe symptoms may require medical treatment. Medical treatment may also be
necessary when symptoms are prolonged.
Your
doctor may be able to diagnose the type of food poisoning based on your
symptoms. If your physician can’t reach a diagnosis, a stool sample can
identify the cause of the poisoning.
Often,
the treatment is designed to rehydrate you after you lose fluids from diarrhoea and vomiting. This is usually done with intravenous (IV) fluids. Your doctor
may prescribe antibiotics if your food poisoning is bacterial.
How
Can Food Poisoning Be Prevented?
The
best way to prevent food poisoning is to handle your food safely and to avoid
any food may be unsafe. Some
foods are more likely to cause of food poisoning because of the way they are
produced and prepared. Meat,
poultry, eggs, and shellfish. These foods may harbor infectious agents that are
killed during cooking. If these foods are eaten raw, not properly cooked, or if
hands and surfaces are not cleaned after contact, food poisoning can occur.
Always
wash your hands before cooking or eating food. Make sure that your food is
properly sealed. Store refrigerated and frozen foods appropriately. Thoroughly
cook meat and eggs. Anything that comes in contact with raw products should be
sanitized before using it to prepare other foods. Make sure to ALWAYS wash
fruits and vegetables before serving.
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