Characterisistics of flu

This article was endorsed by Irene Mazzuca - Doctor of Medicine from the University of Rome "La Sapienza"

What is the flu?

Characterisitics of flu

child with fever
Fever, in the flu, has a healing function and usually only needs rest

Flu is a disease of the respiratory system caused by a virus. There are the following groups of viruses:

  • Type A: It is the one that causes the highest percentage of infections and the one that presents the most severity.
  • Type B: It is located in a certain geographical area and is less common than influenza A.
  • Type C: It is the least severe since it causes only mild respiratory infections, with symptoms such as a cold.

Differences between flu and cold

Flu is a disease caused by the influenza virus, which has more acute symptoms than a cold. Apart from the fact that  cold can occur throughout the year, while flu usually occurs during the winter,  flu differs from a cold mainly because the affected individual has much higher sudden fevers that easily reach 39, 5 ºC but can reach 41 ºC. and by a feeling of heaviness and pain throughout the body, especially in the joints.

The head usually hurts stronger than in the cold. Patients often have a dry cough. A person can have several colds a year. However,  if you have the flu, you only have once a year at most. This disease must be distinguished from the so-called “stomach flu” that occurs when certain bacteria infect the digestive tract.

It is one of the diseases that causes the most problems of sick leave at work and in schools, where a large number of boys and girls infect each other. Hospitals often cause large saturations of patients for the duration of the epidemic.

Flu symptoms

The main symptoms of  flu are: high fever, headache, muscle aches, general heaviness, dry cough, tiredness, sneezing, chills, sweating, sore throat, runny nose, lack of appetite, dizziness, vomiting, face flushed etc.

Causes of  flu

The cause of this disease is a virus that is spread, as in the cold, through the micro-droplets that float in the air produced by another patient when breathing or coughing. It can also be spread by touching a contaminated object and putting your fingers in contact with your mouth, nose, or eyes.

Flu treatment

Although  flu is a disease that usually heals by itself, it can present complications (bronchitis, pneumonia, encephalitis, etc.) and cause many deaths during its episodes especially among older people and other people with health problems.

Among the people who can be particularly affected we have the following: people with heart problems, with respiratory problems, such as asthma or bronchitis, or people with weakened immune systems such as AIDS patients.

For this reason, it is advised that, especially all people who are among the risk groups, be vaccinated before it occurs.

Flu vaccine

There are, in addition to vaccines, a number of antiviral drugs that can be supplied and that are considered interesting in case people at risk cannot or have not been vaccinated. They should be applied at the beginning of the infection whenever the doctor considers it appropriate.

If the disease is contracted when vaccinated, the symptoms are less serious. It is interesting to get vaccinated during the fall, before the first flu appears, although it can also be done until the beginning of winter.

punto rojo More information about flue.

Written by Editorial Botanical-online team in charge of content writing

16 June, 2020

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