Influenza Symptoms
Influenza (commonly called the “flu”) is a contagious respiratory illness caused by influenza viruses. The information below describes common flu symptoms, how to protect yourself and those close to you from getting the flu, and what to do if you get sick with flu-like symptoms.
Be Aware of Common Flu Symptoms
Influenza usually starts suddenly and may include the following symptoms:
Fever (usually high)
Headache
Tiredness (can be extreme)
Cough
Sore throat
Runny or stuffy nose
Body aches
Diarrhea and vomiting (more common among children than adults)
Having these symptoms does not always mean that you have the flu. Many different illnesses, including the common cold, can have similar symptoms.
Diagnosing the Flu
It is very difficult to distinguish the flu from other infections on the basis of symptoms alone. A doctor's exam may be needed to tell whether you have developed the flu or a complication of the flu. There are tests that can determine if you have the flu as long you are tested within the first 2 or 3 days of illness.
If you develop flu-like symptoms and are concerned about your illness, especially if are at high risk for complications of the flu, you should consult your healthcare provider. Those at high risk for complications include people 65 years or older, people with chronic medical conditions (such as asthma, diabetes, or heart disease), pregnant women, and young children.
Know the Risks from the Flu
In some people, the flu can cause serious complications, including bacterial pneumonia, dehydration, and worsening of chronic medical conditions, such as congestive heart failure, asthma or diabetes. Children and adults may develop sinus problems and ear infections.
Influenza (commonly called the “flu”) is a contagious respiratory illness caused by influenza viruses. The information below describes common flu symptoms, how to protect yourself and those close to you from getting the flu, and what to do if you get sick with flu-like symptoms.
Be Aware of Common Flu Symptoms
Influenza usually starts suddenly and may include the following symptoms:
Fever (usually high)
Headache
Tiredness (can be extreme)
Cough
Sore throat
Runny or stuffy nose
Body aches
Diarrhea and vomiting (more common among children than adults)
Having these symptoms does not always mean that you have the flu. Many different illnesses, including the common cold, can have similar symptoms.
Diagnosing the Flu
It is very difficult to distinguish the flu from other infections on the basis of symptoms alone. A doctor's exam may be needed to tell whether you have developed the flu or a complication of the flu. There are tests that can determine if you have the flu as long you are tested within the first 2 or 3 days of illness.
If you develop flu-like symptoms and are concerned about your illness, especially if are at high risk for complications of the flu, you should consult your healthcare provider. Those at high risk for complications include people 65 years or older, people with chronic medical conditions (such as asthma, diabetes, or heart disease), pregnant women, and young children.
Know the Risks from the Flu
In some people, the flu can cause serious complications, including bacterial pneumonia, dehydration, and worsening of chronic medical conditions, such as congestive heart failure, asthma or diabetes. Children and adults may develop sinus problems and ear infections.
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