Symptoms of Influenza Disease
Influenza (commonly called “the flu”) is a
contagious respiratory illness caused by influenza viruses.
Infection with influenza viruses can result in illness ranging from
mild to severe and life-threatening complications.
Symptoms of Flu
-
Fever (usually high).
-
Headache.
-
Extreme
tiredness.
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Dry cough.
-
Sore throat.
-
Runny
or stuffy nose.
-
Muscle aches.
-
Gastro-intestinal symptoms, such
as nausea, vomiting, and diarrhea,
are much more common among children than adults.
Complications to Influenza
People who become infected with influenza can
develop serious complications. These include:
-
Bacterial pneumonia
-
Dehydration
-
Worsening of chronic medical conditions, such as
congestive heart failure, asthma, or diabetes.
-
In addition to the above, children can get sinus
and/or ear infections.
At Special Risk of Complications From Flu
Certain people are at increased risk for serious
complications from the flu. This group includes people age 65 years
and older and people of any age with chronic medical conditions.
Pregnant women and children between 6 months and 23 months of age
also are at increased risk from flu complications.
If you are at special risk from complications of
flu, you should consult your health-care provider when your flu
symptoms begin. Your doctor may choose to use certain antiviral
drugs to treat the flu.
Diagnosing the Flu
Tests are available that can determine if you have
the flu as long as you are tested within the first 2 or 3 days after
your symptoms begin. In addition, a doctor’s examination may be
needed.
When to Call Your Doctor
-
If you are in a high-risk group, you should call
your doctor when you first develop symptoms, so you can be treated
with anti-virus medications.
-
If your flu symptoms are unusually severe (for
example, if you are having trouble breathing), you should consult
your health-care provider right away.
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