What are 4 symptoms of influenza?

What are the 4 Symptoms of Influenza?


Are you feeling under the weather and wondering if it’s just a common cold or something more serious like influenza? Flu season can be a challenging time, especially given the similarity of symptoms between the common cold and the flu. Understanding the key symptoms of influenza can help you identify the illness early, seek appropriate treatment, and prevent the spread of the virus.

Table of Contents

  • Symptom #1: Fever
  • Symptom #2: Body Aches
  • Symptom #3: Cough
  • Symptom #4: Fatigue
  • Key Takeaways
  • FAQs
  • Conclusion

Symptom #1: Fever

One of the most telling signs of influenza is a high fever. Unlike a common cold, the flu often causes a fever of 100.4°F (38°C) or higher, which can last for several days. This fever is your body’s response to the virus, an attempt to kill it off by raising your body temperature.

Symptom #2: Body Aches

Body aches are a common symptom of many illnesses, but they tend to be particularly severe with the flu. These aches can be widespread, affecting your muscles and joints, and can be quite debilitating.

Symptom #3: Cough

A persistent, dry cough is another common symptom of influenza. This is not the productive, mucus-filled cough that often accompanies a cold, but a dry, hacking cough that can cause chest discomfort and may last for weeks even after other symptoms have subsided.

Symptom #4: Fatigue

Extreme fatigue is another hallmark sign of influenza. This is not just regular tiredness, but a sort of exhaustion that makes it difficult to perform even simple tasks. This fatigue can last for two weeks or more, even after other symptoms have disappeared.

Key Takeaways

  • Influenza symptoms can be severe and include a high fever, body aches, a dry cough, and extreme fatigue.
  • Understanding these symptoms can help you identify the flu early and seek appropriate treatment.
  • Remember, influenza is a serious illness that can lead to complications if not properly treated, so it’s important to consult a healthcare professional if you’re experiencing these symptoms.


Can you have the flu without a fever?

While a high fever is a common symptom of the flu, it’s possible to have the flu without a fever. This is more common in older adults and individuals with a weakened immune system.

How long do flu symptoms last?

Typically, flu symptoms last for about one to two weeks. However, some symptoms like fatigue and cough can last longer.


Influenza is a serious illness that can lead to severe complications if not properly managed. Recognizing the symptoms early on can help you seek appropriate treatment and prevent the spread of the virus. If you’re experiencing any of these symptoms and suspect you may have the flu, be sure to consult with a healthcare professional promptly. Your health is paramount, and understanding the symptoms of influenza is a key step in protecting it.

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