Flu Symptoms: What to Know and When to See a Doctor

The flu is a respiratory illness caused by the influenza virus. It can cause mild to severe illness, and at times can lead to death. Flu symptoms usually come on suddenly and can include:

Fever or feeling feverish/chills
Cough
Sore throat
Runny or stuffy nose
Muscle or body aches
Headaches
Fatigue (tiredness)
Some people may have vomiting and diarrhea, though this is more common in children than adults.

Flu symptoms typically last 3-7 days, but some people may feel sick for longer. The flu is most contagious in the first 2-3 days after someone becomes sick, but they can remain contagious for up to 7 days after their symptoms start.

How to prevent the flu

The best way to prevent the flu is to get vaccinated every year. The flu vaccine is safe and effective, and it can protect you from getting sick with the flu. Other things you can do to help prevent the flu include:

Washing your hands often with soap and water
Avoiding close contact with people who are sick
Covering your mouth and nose with a tissue when you cough or sneeze
Staying home from work or school when you are sick

How to treat the flu

There is no specific treatment for the flu. Most people recover from the flu on their own at home. However, there are some things you can do to relieve your symptoms, such as:

Getting plenty of rest
Drinking plenty of fluids
Taking over-the-counter medications such as ibuprofen or acetaminophen to reduce fever and pain
Using a humidifier or taking a hot shower to help relieve congestion

When to see a doctor

You should see a doctor if you have any of the following flu symptoms:

Difficulty breathing
Chest pain
Severe cough
Confusion
High fever (over 104 degrees Fahrenheit)
Vomiting or diarrhea that is severe or does not improve after 24 hours
Signs of dehydration, such as decreased urination, dry mouth, or sunken eyes
If you have an underlying medical condition, such as asthma, diabetes, or heart disease, you should see a doctor even if your flu symptoms are mild.

Complications of the flu

The flu can lead to a number of complications, including:

Pneumonia
Bronchitis
Sinus infections
Ear infections
Asthma attacks
Heart failure
Myocarditis (inflammation of the heart muscle)
Encephalitis (inflammation of the brain)

Conclusion

The flu is a serious illness, but it is important to remember that most people recover on their own. If you have any concerns, please see a doctor.

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