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Featured: Flu (Influenza) Main Article

Influenza (flu) is a respiratory illness caused by a virus. Flu symptoms include fever, cough, sore throat, runny nose, headache, fatigue, and muscle aches. The flu may be prevented with an annual influenza vaccination.

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    Related Diseases & Conditions

    • Exercise-Induced Asthma Exercise-induced asthma is asthma triggered by vigorous exercise. Symptoms include coughing, shortness of breath, chest...learn more »
      In This Article
      Exercise-Induced Asthma Article
      • What is exercise-induced asthma?
      • Why does exercise induce asthma?
      • If I have asthma, should I avoid exercise?
      • Can my exercise-induced asthma be prevented?
      • What are the best exercises for someone with asthma?
      • Are there some tips to prevent and treat exercise-induced asthma?
    • Treating the Flu in People with Health Risks Certain portions of the population are at an increased risk of suffering serious complications from the flu. Some of these...learn more »
      In This Article
      Treating the Flu in People with Health Risks Article
      • Treating the flu in people with health risks facts*
      • Do you have Asthma, Diabetes or Chronic Heart Disease?
      • Why am I at greater risk of serious flu complications?
      • Can the flu be treated?
      • What should I do if I think I have the flu?
      • Should I still get a flu vaccine?
      • What are the benefits of antiviral drugs?
      • What are the possible side effects of antiviral drugs?
      • When should antiviral drugs be taken for treatment?
      • What antiviral drugs are recommended?
      • How long should antiviral drugs be taken?
      • Can children and pregnant women take antiviral drugs?
      • Who should take antiviral drugs?
      • What are the health and age factors that are known to increase a person's risk of getting serious complications from the flu?
    • Pregnancy: Swine Flu and the H1N1 Vaccine Pregnant and women who are breastfeeding are encouraged to receive the seasonal flu shot as well as the 2009 H1N1 influenza...learn more »
      In This Article
      Pregnancy: Swine Flu and the H1N1 Vaccine Article
      • Pregnancy and H1N1 influenza (swine flu) introduction
      • What if I am pregnant and I get 2009 H1N1?
      • What can I do to protect myself, my baby and my family?
      • Is it safe for pregnant women to get a flu shot?
      • What are the symptoms of seasonal and 2009 H1N1 flu?
      • What should I do if I get sick?
      • How is 2009 H1N1 flu treated?
      • When should I get emergency medical care?
      • Why does CDC advise pregnant women to receive the 2009 H1N1 influenza (flu) vaccine (shot)?
      • Will the seasonal flu shot also protect against the 2009 H1N1 flu?
      • Are there flu vaccines that pregnant women should not get?
      • Can the seasonal flu shot and the 2009 H1N1 flu shot be given at the same time?
      • Is the 2009 H1N1 flu shot safe for pregnant women?
      • What are the possible side effects of the 2009 H1N1 flu shots?
      • What about the H1N1 nasal spray vaccine?
      • What about breastfeeding and the H1N1 influenza and vaccinations?
    • Emphysema, Chronic Bronchitis, and Colds If you have a COPD such as emphysema, avoiding chronic bronchitis and colds is important to avoid a more severe respiratory...learn more »
      In This Article
      Emphysema, Chronic Bronchitis, and Colds Article
      • Introduction
      • What is emphysema and chronic bronchitis?
      • What happens with emphysema and chronic bronchitis and colds?
      • Why should I take colds seriously with emphysema or chronic bronchitis?
      • Which cold treatment should I use with emphysema or chronic bronchitis?
      • Can I prevent colds if I have emphysema or chronic bronchitis?
    • Swine Flu Novel H1N1 influenza A virus infection (swine flu) is an infection that generally is transferred from an infected pig to a human,...learn more »
      In This Article
      Swine Flu Article
      • Swine flu (H1N1 and H3N2v influenza virus) facts
      • What is the swine flu?
      • What causes swine flu?
      • Why is swine flu now infecting humans?
      • What are the symptoms of swine flu?
      • How is swine flu diagnosed?
      • What is the treatment for swine flu?
      • What is the history of swine flu in humans?
      • What are the risk factors for swine flu?
      • Can swine flu be prevented with a vaccine?
      • Can swine flu be prevented if the swine flu vaccine (or other flu strain vaccines) is not readily available?
      • Was swine flu (H1N1) a cause of an epidemic or pandemic in the 2009-2010 flu season?
      • What is the prognosis (outlook) and complications for patients who get swine flu?
      • What is the latest news about swine flu?
      • Where can I find more information about swine flu (H1N1 and H3N2v)?
    • Adult-Onset Asthma Adult-onset asthma is asthma that is diagnosed in people over 20 years of age. Symptoms include wheezing, coughing, shortness of...learn more »
      In This Article
      Adult-Onset Asthma Article
      • What is asthma?
      • What is adult-onset asthma?
      • What is the difference between childhood asthma and adult-onset asthma?
      • How is adult-onset asthma diagnosed?
      • Who gets asthma?
      • How is asthma classified?
      • How is asthma treated?
      • Monitoring symptoms
      • Asthma action plan

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Terms related to Influenza:

  • Flu