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Flue; its types, causes, symptoms and treatment


Overview:
The flu mean the infection of the nose, throat, and lungs caused by the influenza virus and it is a contagious illness
Causes:
In temperate climates, influenza A usually arrives between early winter and early spring. Influenza B can appear at any time of the year.
Other causes include Breathing in droplets from coughs or sneezes or when you touch a surface such as a faucet handle or phone that has the virus on it, and then touch your own mouth, nose, or eyes.
Symptoms appear 1 - 7 days later (usually within 2 - 3 days). As the flu  infection spreads through the air , it  is very contagious and  strikes a community all at once it causes an epidemic illness. This creates a cluster of school and work absences. Many students become sick within 2 or 3 weeks of the flu's arrival in a school. 
Confuse colds and flu can share some of the same symptoms and typically occur at the same time of the year. However, the two diseases are very different. Most people get a cold several times each year, and the flu only once every few years.
The using of "stomach flu" term  to describe vomiting or diarrhea that attached to some viral illness is incorrect, as Flu infections are primarily respiratory infections and  the stomach symptoms are not related with  the flu virus.
Symptoms:
The flu usually begins suddenly , with a fever between 38.6c and 41c( a child usually has a higher fever than an adult.)  it is usually last  for a day or two, and also  can last 5 days.
Other common symptoms include:
·        Body aches.
·        Chills.
·        Dizziness.
·        Flushed face.
·        Headache.
·        Lack of energy.
·        Nausea.
·        Vomiting.
 It takes about 2day to 4day of the illness, then symptoms begin to subside in  "whole body", and respiratory symptoms begin to increase.
The more common of  respiratory symptoms is usually a dry, hacking cough and also develop a sore throat and headache. Runny nose (nasal discharge) and sneezing are common.  Usually symptoms begin to disappear within 4 - 7 days, except cough which may last for some weeks and the fever may return.
Other symptoms may include:
·        Loss of appetite.
·        Muscle aches and stiffness.
·        Stuffy, congested nose.
·        Sweating.
·        The resulting of flu worsens the underlying illness, as asthma and heart failure.
Exams and Tests:
The diagnoses of symptoms is detected thorough physical exam and, in cases where pneumonia is suspected, a chest x-ray.
Additional blood work may be needed. They may include a complete blood count, blood cultures, and sputum cultures.
The most common method for diagnosing the flu is an antigen detection test, which is done by swabbing the nose and throat, then sending a sample to the laboratory for testing.
The results of these tests can be available rapidly, and can help decide if specific treatment is appropriate.
Treatment:
If you have mild illness and are not at high risk, take these steps:
·        Rest.
·        Take medicines that relieve symptoms and help you rest.
·        Drink plenty of liquids.
·        Avoid aspirin (especially teens and children).
·        Avoid alcohol and tobacco.
·        Avoid antibiotics (unless necessary for another illness).
Antiviral drugs can be described to treat patient with high risk for flu complications.
The best thing in  antiviral drugs is that they can shorten the continuation period
 of symptoms by about one day if you start taking the medicine within 48 hours after your symptoms began. 
Children who are at risk of developing a severe case  should  ask their doctor for antiviral medication.
Prevention:
A yearly vaccine is recommended for children older than 6 months, adolescents, and adults.
The vaccine is available as a flu shot or a nasal spray-type flu vaccine.
Flue; its types, causes, symptoms and treatment Reviewed by Tpdsm on August 11, 2017 Rating: 5

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