What is Influenza (Flu)

Influenza, or flu, is a respiratory infection that is caused by the influenza virus. It is usually has an abrupt onset and lasts for 7 to 10 days. The best way to prevent influenza is by getting vaccinated every flu season.

Symptoms

• Fever up to 103° – 104° F and/or chills
• Headache
• Muscle ache
• Severe fatigue
• Cough
• Nasal congestion and sneezing
• Sore throat
• Vomiting and/or diarrhea

Treatment

Influenza is not treated with antibiotics, but anti-viral medication can be used.  To treat the symptoms:

• Rest and drink plenty of fluids; warm beverages may be additionally soothing
• Avoid irritants, such as smoking, vaping or juuling
• Over-the-counter pain relievers: Acetaminophen (Tylenol®), Ibuprofen (Advil®, Motrin®), or Naproxen (Aleve®).  Avoid Aspirin, a rare serious disorder called Reye’s Syndrome is associated with the use of aspirin during flu, especially for people under 18.
• Decongestants and over-the-counter cough suppressant.
• Prescription anti-viral medications may decrease the severity of flu symptoms, but must be started within 48 hours of the onset of illness

When to seek medical help

• High fever that does not respond to fever reducing medication
• Difficulty breathing, chest pain, and/or severe abdominal pain
• If you have an underlying chronic illness such as asthma, diabetes, lung disease, heart disease, kidney disease, or are immunocompromised