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Diseases » Flu » Signs
 

Signs of Flu

Symptoms of Flu

The list of medical symptoms mentioned in various sources for Flu may include:

Note that Flu symptoms usually refers to various medical symptoms known to a patient, but the phrase Flu signs may often refer to those signs that are only noticable by a doctor.

Signs or Symptoms of Flu:

The Flu, NIAID Fact Sheet: NIAID (Excerpt)

The symptoms start very quickly and are

  • Headache
  • Chills
  • Dry cough
  • Body aches
  • Fever
  • Stuffy nose
  • Sore throat
Typically, the fever begins to decline on the second or third day of the illness. The flu almost never causes symptoms in the stomach and intestines. The illness that some people often call "stomach flu" is not influenza. (Source: excerpt from The Flu, NIAID Fact Sheet: NIAID)

What to Do About the Flu -- Age Page -- Health Information: NIA (Excerpt)

Flu can cause fever, chills, dry cough, sore throat, runny or stuffy nose, as well as headache, muscle aches, and often extreme fatigue. Although nausea, vomiting, and diarrhea can sometimes accompany the flu, especially in children, gastrointestinal symptoms rarely occur. The illness that people call "stomach flu" is not influenza. (Source: excerpt from What to Do About the Flu -- Age Page -- Health Information: NIA)

What to Do About the Flu -- Age Page -- Health Information: NIA (Excerpt)

Call your doctor if you have any signs of flu and:

  • Your fever lasts; you may have a more serious infection.
  • You have breathing or heart problems or other serious health problems.
  • You are taking drugs to fight cancer or other drugs that weaken your body's natural defenses against illness.
  • You feel sick and don't seem to be getting better.
  • You have a cough that begins to produce phlegm.
  • You are worried about your health. (Source: excerpt from What to Do About the Flu -- Age Page -- Health Information: NIA)

    More Symptoms of Flu:

    More detailed symptom information may be found on the symptoms of Flu article. In addition to the above medical information, to get a full picture of the possible signs or symptoms of this condition and also possibly the signs and symptoms of its related medical conditions, it may be necessary to examine symptoms that may be caused by:

    Medical articles on signs and symptoms:

    These general reference articles may be related to medical signs and symptoms of disease in general:

    What are the signs of Flu?

    The phrase "signs of Flu" should, strictly speaking, refer only to those signs and symptoms of Flu that are not readily apparent to the patient. The word "symptoms of Flu" is the more general meaning; see symptoms of Flu.

    The signs and symptom information on this page attempts to provide a list of some possible signs and symptoms of Flu. This medical information about signs and symptoms for Flu has been gathered from various sources, may not be fully accurate, and may not be the full list of Flu signs or Flu symptoms. Furthermore, signs and symptoms of Flu may vary on an individual basis for each patient. Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Flu symptoms.

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