How do you know have flu A?

Symptoms of influenza A

The symptoms of influenza A are similar to those of other types of flu, and can include:

- Fever

- Chills

- Muscle aches

- Headache

- Sore throat

- Cough

- Congestion

- Runny nose

- Fatigue

- Weakness

- Loss of appetite

- Nausea

- Vomiting

- Diarrhea

In some cases, influenza A can also cause more serious complications, such as:

- Pneumonia

- Bronchitis

- Ear infections

- Sinusitis

- Myocarditis (inflammation of the heart muscle)

- Encephalitis (inflammation of the brain)

If you have any of these symptoms, it is important to see a doctor to get a diagnosis and treatment.

How is influenza A diagnosed?

Influenza A can be diagnosed with a rapid influenza diagnostic test, which can detect the presence of influenza A viruses in a nasal swab. Other diagnostic tests, such as a polymerase chain reaction (PCR) test, may also be used to confirm the diagnosis.

How is influenza A treated?

There are antiviral medications that can be used to treat influenza A. These medications work by preventing the virus from multiplying in the body. Antiviral medications are most effective when they are started within 48 hours of the onset of symptoms.

In addition to antiviral medications, there are other things you can do to treat the symptoms of influenza A, such as:

- Resting

- Drinking plenty of fluids

- Taking over-the-counter pain relievers, such as ibuprofen or acetaminophen

- Using a humidifier

- Avoiding contact with other people to prevent the spread of the virus

How can influenza A be prevented?

There are a number of things you can do to help prevent influenza A, such as:

- Getting an influenza vaccine every year

- Washing your hands frequently with soap and water

- Avoiding touching your face

- Covering your mouth and nose when you cough or sneeze

- Staying home from work or school if you are sick

Influenza A is a serious illness, but it can be prevented and treated. If you have any of the symptoms of influenza A, it is important to see a doctor to get a diagnosis and treatment.