Influenza, commonly known as the flu, is a contagious respiratory illness caused by influenza viruses that infect the nose, throat, and sometimes the lungs. The flu can range from mild to severe and can lead to complications, especially in young children, elderly adults, and individuals with weakened immune systems. It's important to be aware of the common flu symptoms so that you can seek appropriate medical care and take steps to prevent the spread of the virus.

Here are 10 common flu symptoms you should know about:

Fever: A high fever of 100.4°F (38°C) or higher is a common symptom of the flu. Fever is often one of the first signs of the flu and can last for several days.
Cough: A dry or productive cough is another common symptom of the flu. The cough may be persistent and can worsen at night.
Sore throat: A sore throat is a common early symptom of the flu and can be accompanied by a scratchy or hoarse voice.
Runny or stuffy nose: Nasal congestion, sneezing, and a runny nose are common symptoms of the flu. These symptoms can make breathing difficult and lead to discomfort.
Body aches: Muscle aches, joint pain, and body aches are common symptoms of the flu. These aches can be severe and may affect your ability to move or perform daily activities.
Headache: Headaches are a common symptom of the flu and can range from mild to severe. The headache may be accompanied by sensitivity to light and sound.
Fatigue: Fatigue and weakness are common symptoms of the flu and can persist for several weeks after the acute illness has resolved. Rest and hydration are important for recovery.
Chills: Chills and shaking are common symptoms of the flu and may occur with or without a fever. The chills may be accompanied by sweating and a feeling of coldness.
Nausea and vomiting: Nausea, vomiting, and diarrhea are less common symptoms of the flu but can occur, especially in children. These symptoms can lead to dehydration and should be monitored closely.
Shortness of breath: Shortness of breath, chest pain, and difficulty breathing are serious symptoms of the flu and may indicate a complication such as pneumonia. Seek medical attention immediately if you experience these symptoms.

If you experience any of these symptoms, especially if you are at high risk for complications from the flu, such as young children, elderly adults, pregnant women, or individuals with chronic medical conditions, contact your healthcare provider for evaluation and treatment. In addition to seeking medical care, take steps to prevent the spread of the flu virus, such as washing your hands frequently, covering your mouth and nose when coughing or sneezing, and staying home when you are sick. By being aware of the common flu symptoms and taking appropriate precautions, you can protect yourself and others from the flu virus.

10 Common Flu Symptoms You Should Know About