Flu Symptoms: Causes, Complications, Prevention

The Flu, also known as influenza, is a contagious respiratory illness that occurs due to influenza viruses and infects a person's respiratory system which includes a person's lungs, nose, and throat. It is easily self-diagnosable, although it can grow serious owing to carelessness and, in some cases, result in death. Flu symptoms influence our body in many ways and pregnant women, senior citizens, children, and people who have a weak immune system are at the utmost highest risk of contracting the flu. In this article, we will be learning more about what is flu, and its symptoms, causes, prevention, and discussing some important questions. 

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Types of Flu

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There are 4 types of influenza viruses. They are Influenza A, B, C, and D. Influenza A and B are the ones that are known to produce seasonal outbreaks of sickness, this is also known as Flu season in many countries. The only influenza viruses known to generate pandemics or worldwide outbreaks of flu, are influenza A viruses. We, humans, are also infected with influenza C. However, this influenza C virus is far less aggressive than type A or B. The influenza C virus is usually not very harmful and does not cause any major or harmful symptoms. Epidemics are not caused by type C flu viruses. 

Also read: Infectious Diseases

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Causes of Flu

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The flu is caused by an influenza virus that transmits from person to person. It spreads by the droplets of an infected person's cough or sneeze. It can also spread if a healthy individual comes into contact with materials that have been infected by the virus.

 
Also read: Difference Between an Antigen and an Antibody

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Symptoms of Flu

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Flu has the same symptoms as a typical cold, such as a chest cold or a head cold, and is caused by the same viruses like a cold. However, there are notable distinctions between the flu and the common cold in terms of how these symptoms manifest. The following are some flu symptoms to be aware of: 

• Fever is defined as a body temperature that is greater than normal (around 37 °C). Fever is not an illness, and it varies from person to person. It is an indication that your body is attempting to fight off an infection or sickness. 
• Aching muscles: This is usually accompanied by fever. It is a dull, chronic, or long-lasting discomfort in a specific region of the body. 
• Dry, persistent cough followed by shortness of breath.
• Tiredness and fatigue: It is a general sensation of exhaustion or a lack of vitality. When you are tired, you do not have much motivation, and drowsiness is a sign. Weakness or weariness is one of the flu's features. 
• Runny or stuffy nose. 
• Sore throat: It is a symptom of minor throat discomfort. 
• Vomiting and diarrhea tend to be common in younger children.
• Loss of appetite: The desire to eat food significantly reduces.

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Complications of Flu

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The flu is typically not harmful if you are young and healthy. During the flu, a person's symptoms usually last for no longer than a week or two. However, some with a weak immune system may experience: - 

• Pneumonia 
• Bronchitis 
• Flare-ups of asthma 
• Problems with the heart 
• Ear Infections 
• Acute respiratory distress syndrome (ARDS)

Pneumonia is considered the most precarious symptom. Pneumonia can be fatal in elderly people and people who have chronic conditions. 

Also read: Why do We Fall Ill?

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Treatment of Flu

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The flu is usually treated with nothing more than rest and lots of water. Your doctor may prescribe an antiviral medicine to treat the flu and fever if you have a severe illness or are at increased risk of complications. But. It is much better to prevent this by following the steps given.

Also read: MCQs on Human Health

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Prevention of Flu

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• Close touch should be avoided. 
• Avoid coming into close touch with ill people. Keep your distance from others while you are unwell to keep them from getting sick as well. 
• When you are unwell, stay at home. 
• When you are unwell, try to avoid going to work, school, or doing errands. This will assist to keep your infection from spreading to others. 
• Cover your mouth and nose with your hands. 
• When you are coughing or sneezing, just use a handkerchief or a tissue to cover your mouth and nose. It could keep others around you from becoming ill. Flu viruses are usually spread through the infected person's spit and the droplets of saliva when an infected person coughs or talks. 

• Make sure your hands are clean: - Handwashing often will help protect you from pathogens. One should use Hand sanitizers to protect oneself from the virus if water is not available or accessible.
• One should keep his or her hands away from the nose, eye, and mouth: - This helps to limit the spread of germs as when one touches his or her eyes or nose it becomes infected and he or she can contract the flu. 
• Other healthy practices should be followed: - Especially when someone is sick, clean and disinfect commonly touched surfaces at home, work, and school. Get enough sleep, exercise regularly, manage your stress, stay hydrated, and consume nutritious foods.

Also read: Vaccines and its Importance

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Things to Remember

• Remember that Influenza is a virus that affects your respiratory system, which includes your nose, throat, and lungs, and cannot be treated with antibodies.
• Remember to learn the symptoms of flu as these are the key indicators that separate flu from a common cold.
• Treatment of flu usually just requires rest and a high intake of fluids.
• Prevention of Flu is the best cure. Remember to learn the various methods to prevent flu. 
• The only influenza viruses known to generate pandemics are influenza A viruses.
• Pneumonia is one of the most fatal complications that a person can get from the flu. 

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