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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

    • Upper Respiratory Tract Infection An upper respiratory infection is a contagious infection of the structures of the upper respiratory tract, which includes the...learn more »
      In This Article
      Upper Respiratory Tract Infection Article
      • Upper respiratory infection facts
      • What is an upper respiratory infection?
      • Is an upper respiratory infection contagious?
      • What are the causes of upper respiratory infection?
      • What are the risk factors for upper respiratory infection?
      • What are the symptoms of upper respiratory infection?
      • When should you seek medical care for upper respiratory infection?
      • How is an upper respiratory infection diagnosed?
      • What is the treatment for upper respiratory infection?
      • What are some of the home remedies for upper respiratory infection?
      • What are some data on alternative therapies in treating upper respiratory infections?
      • What are the complications of an upper respiratory infection?
      • Can an upper respiratory infection be prevented?
      • What is the outlook for a patient suffering from an upper respiratory infection?
    • Bronchitis (Acute) Bronchitis is inflammation of the airways in the lung. Acute bronchitis is is short in duration (10 to 20 days) in comparison...learn more »
    • Listeria Listeria is a type of bacteria that can cause food poisoning. Listeriosis symptoms include diarrhea, nausea and fever. Pregnant...learn more »
      In This Article
      Listeria Article
      • Listeriosis (Listeria monocytogenes infection) facts
      • What is listeriosis? What causes listeriosis?
      • What are listeriosis symptoms and signs?
      • What are the risk factors for listeriosis?
      • How is listeriosis diagnosed?
      • What is the treatment for listeriosis?
      • How does a person get listeriosis?
      • Can listeriosis be prevented?
      • What is the prognosis (outcome) for Listeria infections?
      • If a person has eaten recalled food potentially contaminated with Listeria, what should he or she do?
      • What is the government doing about listeriosis?
    • Fatigue Fatigue can be described in various ways. Sometimes fatigue is described as feeling a lack of energy and motivation (both mental...learn more »
      In This Article
      Fatigue Article
      • Fatigue Facts
      • Fatigue introduction
      • What causes fatigue?
      • What are the signs and symptoms of fatigue?
      • How is the cause of fatigue diagnosed?
      • What is the treatment for fatigue?
      • Can fatigue be prevented?
    • 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)?
    • Eustachian Tube Problems (Problems Clearing Your Ears) The Eustachian tube is a membrane lined tube that connects the middle ear space to the back of the nose. Problems include partial...learn more »
      In This Article
      Eustachian Tube Problems (Problems Clearing Your Ears) Article
      • What is the Eustachian tube?
      • What are the functions of the Eustachian tube?
      • What can cause Eustachian tube blockage?
      • How do changes in altitude or air travel affect Eustachian tube problems?
      • How is Eustachian tube blockage treated?
      • Eustachian Tube Problems At A Glance

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Terms related to Influenza:

  • Flu