H1n1 Influenza

What is H1N1 influenza?

H1N1 influenza (swine flu) is an infection caused by a virus. It is easily spread when an infected person coughs, sneezes, or has close contact with others. You may be able to spread H1N1 influenza to others for 1 week or longer after signs or symptoms appear.

What increases my risk for H1N1 influenza or makes the illness worse?

  • You live with or care for someone who has H1N1 influenza.

  • You live in a nursing home or long-term care facility, or you live in close quarters with other people.

  • You have heart, liver, brain, kidney, or lung disease. Your risk is also higher if you have cancer, diabetes, seizures, or a spinal cord injury.

  • You are older than 50 or pregnant.

  • You have a weak immune system caused by HIV, AIDS, an organ transplant, or another condition.

  • You travel to places where other people have H1N1 influenza.

What are the signs and symptoms of H1N1 and other types of influenza?

  • Fever and chills

  • Headaches, body aches, and muscle or joint pain

  • Cough, runny nose, and sore throat

  • Vomiting and diarrhea

  • Fatigue or loss of appetite

  • Trouble breathing

How is H1N1 influenza diagnosed?

Your healthcare provider will examine you and ask if you have other health conditions. Tell him if you have traveled recently or been around sick people or animals. Tell your healthcare provider if you are pregnant. You may need the following tests:

  • Nose or throat sample: A sample of fluid is collected from your nose or throat and tested for the H1N1 influenza virus.

  • Culture: This test helps healthcare providers learn which germ is causing your illness. Fluid samples from your nose or throat are collected and tested.

How is H1N1 influenza treated?

Most people get better within a week. Medicines used to treat H1N1 influenza include:

  • Acetaminophen: This medicine decreases pain and fever. You can buy acetaminophen without a doctor's order. Ask how much to take and how often to take it. Follow directions. Acetaminophen can cause liver damage if not taken correctly.

  • NSAIDs: These medicines decrease swelling, pain, and fever. You can buy NSAIDs without a doctor's order. Ask your healthcare provider which medicine is right for you, and how much to take. Take as directed. NSAIDs can cause stomach bleeding or kidney problems if not taken correctly.

  • Antivirals: This is given to fight an infection caused by a virus.

What can I do to manage my symptoms?

  • Rest and sleep: Rest and sleep may help you get better faster.

  • Drink plenty of liquids: Ask your healthcare provider how much liquid to drink each day and which liquids are best for you. This can help prevent dehydration.

What are the risks of H1N1 influenza?

H1N1 influenza can cause serious or life-threatening health problems in some people. If left untreated, H1N1 influenza can lead to dehydration. Being dehydrated can hurt your kidneys, heart, and brain. Asthma, lung disease, and heart disease may get worse when you have H1N1 influenza. H1N1 influenza can lead to ear, throat, and sinus infections. If you have a high fever, you may begin to have seizures. You may get lung infections such as pneumonia or bronchitis. You may get an infection in your blood, heart, or brain.

How can I help prevent the spread of H1N1 influenza?

  • Wash your hands often: Use soap and water. Use gel hand cleanser when there is no soap and water available. Do not touch your eyes, nose, or mouth unless you have washed your hands first.
    Handwashing


  • Cover your mouth when you sneeze or cough: Cough into a tissue so you do not spread germs.

  • Clean shared items: Clean table surfaces, doorknobs, and light switches with a germ-killing cleaner. Do not share towels, silverware, and dishes with people who are sick. Wash bed sheets, towels, silverware, and dishes with soap and water.

  • Wear a face mask: Wear a mask over your mouth and nose if you have H1N1 influenza or are near anyone who has H1N1 influenza. Ask where to buy single-use masks.

  • Stay home if you are sick: Stay away from others as much as possible while you recover.

  • Influenza vaccine: This vaccine helps prevent influenza (flu). Everyone older than age 6 months should get a yearly influenza vaccine. Get the vaccine as soon as it is available, usually in October or November each year.

When should I contact my healthcare provider?

  • You have new muscle pain or weakness.

  • You have questions or concerns about your condition or care.

When should I seek immediate care or call 911?

  • You are dizzy, or you are urinating less or not at all.

  • You have a seizure.

  • You have a headache with a stiff neck, and you feel tired or confused.

  • You have trouble breathing, and your lips look purple or blue.

  • You have new pain or pressure in your chest.

  • Your symptoms, such as shortness of breath, vomiting, or diarrhea, get worse.

  • Your symptoms, such as fever and coughing, seem to get better, but then get worse.

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your caregivers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

© 2014 Truven Health Analytics Inc. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes. All illustrations and images included in CareNotes® are the copyrighted property of A.D.A.M., Inc. or Truven Health Analytics.

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