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Flu-like illness: Flu-like illness is listed as an alternate name or description for symptom:
Causes of Flu-like symptoms (Flu-like illness): See detailed list of causes below.
Flu-like symptoms (medical symptom): Flu-like symptoms appear like the flu (see symptoms of flu), which tends to be more severe than the similar cold-like symptoms. Flu-like symptoms may include fever, shivering, chills, malaise, dry cough, loss of appetite, and body aches. A runny nose or stuffy nose does not always occur with flu whereas it usually does for a common cold. This section lists conditions explicitly mentioned as having "flu-like symptoms" or similar phrasing; for specific information on individual symptoms see the information links for related symptoms.
The flu is not the only condition starting with flu-like symptoms. These symptoms are similar to the body's general method of reacting to a serious infection and are called "flu-like" simply because the flu is the most common of such infections. Numerous other conditions include other infectious viral conditions, initial phase HIV infection, viral hepatitis, food poisoning, lymphoma, leukemia, Lyme disease, and many others. The list of conditions with fever is much longer than those with the full list of flu-like symptoms.
Flu-like symptoms (medical symptom): Influenza, or the flu, is a respiratory infection caused by a variety of flu viruses. The most familiar aspect of the flu is the way it can "knock you off your feet" as it sweeps through entire communities. (Source: excerpt from The Flu, NIAID Fact Sheet: NIAID)
Influenza, also called "the flu", is caused by viruses that infect the respiratory tract. Flu symptoms include fever, cough, sore throat, runny or stuffy nose, headache, muscle aches, and extreme fatigue. Although nausea, vomiting, and diarrhea sometimes occur during a flu infection, such symptoms are rarely prominent. "Stomach flu" is a misnomer sometimes used to describe gastrointestinal illnesses that are actually caused by other microorganisms. (Source: excerpt from Facts About Flu (Influenza): CDC-OC)
Flu - the short name for influenza - is a highly contagious infection that causes fever, chills, dry cough, sore throat, runny or stuffy nose, as well as headache, muscle aches, and often extreme fatigue. Flu usually is a mild disease in healthy children, young adults, and middle-aged people. However, it can be life threatening in older adults. (Source: excerpt from Shots for Safety -- Age Page -- Health Information: NIA)
Each winter, millions of people suffer from the flu, a highly contagious infection. It spreads easily from person to person mainly when an infected person coughs or sneezes. Flu - the short name for influenza - is caused by viruses that infect the nose, throat, and lungs. It usually is a mild disease in healthy children, young adults, and middle-aged people. However, flu can be life threatening in older adults and in people of any age who have chronic illnesses such as diabetes or heart, lung, or kidney diseases (Source: excerpt from What to Do About the Flu -- Age Page -- Health Information: NIA)
The list of medical condition causes of Flu-like symptoms (Flu-like illness) includes:
Review the causes of the following types of more specific symptoms for Flu-like illness:
Research the causes of these related symptoms that are similar to, or related to, the symptom Flu-like illness:
Research the causes of these symptoms that are more broader types of symptom than Flu-like illness:
For a medical symptom description of 'Flu-like illness', the following symptom information may be relevant to the symptoms: Flu-like symptoms (symptom). However, note that other causes of the symptom 'Flu-like illness' may be possible.
More information on symptom: Flu-like symptoms:
Research related medical symptoms or conditions such as:
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