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What Is Influenza and how to avoid it?
Influenza, or the flu is a highly contagious virus that can cause severe illness and life threatening complications including pneumonia. It is spread by contact with fluids from coughs and sneezes. It has killed more people than any other virus and kills around 3000 Australians each year.
The Swine Flu “H1N1” virus emerged in 2009 and caused the first influenza pandemic in more than 40 years. It is now a regular human virus that continues to circulate seasonally worldwide.
The most common symptoms of the flu are:
- sudden appearance of a high fever (38 °C or more)
- a dry cough
- body aches (especially in the head, lower back and legs)
- feeling extremely weak and tired (and not wanting to get out of bed)
Other symptoms can be:
- aching behind the eyes
- loss of appetite
- sore throat
- runny or stuffy nose
Having the flu is even more likely if you have been in contact with someone who already has it, or have had some other type of exposure such as overseas travel to areas where flu outbreaks are occurring.
Whether you have the flu or another kind of virus can only be confirmed by a doctor after a nose or throat swab has returned positive results. The treatment is similar for any ‘flu-like’ illness, but a diagnosis is useful in helping health officials track disease
patterns and frequency and will be required where complications have developed.
Keys is hand hygiene, and getting a flu shot.
What to expect with the flu
Symptoms of the flu hit very quickly and may last for several weeks. A bout of the flu typically follows this pattern:
- Days 1–3: Sudden appearance of fever, headache, muscle pain and weakness, dry cough, sore throat and sometimes a stuffy nose.
- Day 4: Fever and muscle aches decrease. Hoarse, dry or sore throat, cough and possible mild chest discomfort become more noticeable. You may feel tired or flat.
- Day 8: Symptoms decrease. Cough and tiredness may last one to two weeks or more.
What about flu complications?
In some cases of the flu, severe illness and complications such as pneumonia and bronchitis can develop, which can result in hospitalisation and even death. The flu can also make some existing medical conditions worse.
Some people are at higher risk of severe complications associated with the flu. They include:
- pregnant women
- people aged over 65
- Aboriginal and Torres Strait Islander people
- children younger than five, particularly those younger than two years of age
- people with chronic medical conditions.
Annual immunisation against the flu is recommended for these people, many of whom are eligible for free flu vaccination each year (in autumn) under the National Immunisation Program.
The vaccine is not 100 per cent effective but it does provide a high level of protection and can reduce symptoms in those still getting sick.
Anyone in these at-risk groups with flu-like symptoms should see their doctor as soon as possible.
I think I have the flu – should I see a doctor?
Most people who are generally healthy won’t need to see their doctor for the flu. Their immune system will fight the infection and their symptoms will usually clear up on their own.
If you think you have the flu, try to rest, maintain a good fluid intake, and manage your symptoms. This will help you recover and prevent dehydration.
See your doctor if you are concerned, and seek immediate medical attention if you experience any of the following symptoms:
- difficulty breathing
- chest pain
- sudden dizziness
- severe vomiting
- fever with a rash
How can I avoid giving the flu to other people?
Most (otherwise healthy) adults will be able to infect other people up to seven days after becoming sick, so the best way to avoid spreading the flu is to stay at home while you are unwell. In particular, avoid going to work or school or visiting busy public places. Avoid sharing linens, eating utensils and dishes.
Perform good cough etiquette at all times. This includes coughing into a tissue and disposing of it immediately, or coughing into your sleeve.
Good hand hygiene is also important. Wash your hands regularly using soap and water, particularly if you cough into your hands. Start your day with an alcohol free antibacterial foam to protect you from germs & bacteria throughout the day.
Looking after yourself when you have the flu
The best things you can do to look after yourself when you have the flu are:
- Rest – you will probably feel very weak and tired until your temperature returns to normal (about three days), and resting will provide comfort and allow your body to use its energy to fight the infection
- Stay at home – stay away from work or school and avoid contact with others as much as possible while the infection is contagious. The period during which adults are contagious is usually around 3–5 days from when the first symptoms appear, and up to 7 days in younger children.
- Drink plenty of fluids – extra fluids are needed to replace those lost because of the fever (through sweating). If your urine is dark, you need to drink more. Try to drink a glass of fluids, such as water, every hour while you are awake.
Other useful tips for flu recovery
Other useful flu recovery tips include:
- Take simple pain-relieving medication such as paracetamol or ibuprofen, as directed on the packet, to ease muscle pain and bring down your fever (unless your doctor says otherwise).
- Do not give any medications that contain aspirin to children under 18 years of age with flu. The combination of the flu and aspirin in children has been known to cause Reye’s syndrome– a very serious condition affecting the nervous system and liver.
- Antibiotics are not effective against the flu because the flu is a virus, and antibiotics fight bacteria. However, your doctor may prescribe them if you develop a bacterial infection on top of your flu.
- Gargle with a glass of warm water to ease a sore throat. Sucking on sugar-free lollies or lozenges also helps.
- A hot water bottle or heating pad may help relieve muscle pain. A warm bath may also be soothing.
- Use saline nose drops or spray to help soothe or clear a stuffy nose. These decongestants help shrink swollen blood vessels in the nose. Talk to you doctor or pharmacist about which medication will be the best one for you.
- Do not smoke – this will irritate your damaged airways.
- Try warm, moist air inhalation. Boil a kettle and put the water in a bowl on a table. Put your head over the bowl with a towel over your head and inhale the warm air for up to 20 minutes. Don’t put anything in the water.
- Ask for help if you live alone, are a single parent, or are responsible for the care of someone who is frail or disabled. You may need to call someone to help you until you are feeling better.
- Remember, if you buy medicine at the pharmacy to treat your symptoms (over-the-counter medications), check with the pharmacist to see if it is the best one for you. Mention if you have a chronic illness or are taking any other medication.
Where to get help
- Your doctor
- Your pharmacist
- Immunise Australia Program
Things to remember
- The flu is a highly contagious viral infection, spread by contact with fluids from coughs and sneezes.
- The most common symptoms of the flu are sudden high fever, a dry cough, body aches, and feeling very tired and weak.
- In some cases of the flu, complications can lead to pneumonia, bronchitis and even death.
- Some people are at high risk of flu complications. Consult your doctor to see if you are eligible for a free flu vaccination.
- Talk to your doctor or pharmacist about appropriate over-the-counter medication.
The single best way to prevent seasonal flu is to get vaccinated each year, but good health habits like covering your cough and washing your hands often can help stop the spread of germs and prevent respiratory illnesses like the flu. There also are flu antiviral drugs that can be used to treat and prevent flu.
- Avoid close contact – Avoid close contact with people who are sick. When you are sick, keep your distance from others to protect them from getting sick too.
- Stay home when you are sick – If possible, stay home from work, school, and errands when you are sick. This will help prevent spreading your illness to others.
- Cover your mouth and nose – Cover your mouth and nose with a tissue when coughing or sneezing. It may prevent those around you from getting sick.
- Clean your hands – Washing your hands often will help protect you from germs. If soap and water are not available, use an alcohol-free antibacterial hand sanitiser.
- Avoid touching your eyes, nose or mouth – Germs are often spread when a person touches something that is contaminated with germs and then touches his or her eyes, nose, or mouth.
- Practice other good health habits – Clean and disinfect frequently touched surfaces at home, work or school, especially when someone is ill. Get plenty of sleep, be physically active, manage your stress, drink plenty of fluids, and eat nutritious food.
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