Diseases

influenza b

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Overview

Influenza, or the flu, is a respiratory illness that is very common during the winter months. It affects the lungs, nose, and throat, causing symptoms such as a cough, body aches, and a sore throat. These symptoms may be mild, but they can be severe.

Symptoms

  • fever
  • headache
  • aching muscles
  • chills and sweats
  • dry, persistent cough

Causes

  • influenza viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks

Risk factors

  • weakened immune system
  • children under age 2, and adults older than age 65.
  • living or working conditions.

Diagnosis

  • physical exam
  • signs and symptoms

Medicines used

Frequently asked questions

What is influenza b?

Influenza, or the flu, is a respiratory illness that is very common during the winter months. It affects the lungs, nose, and throat, causing symptoms such as a cough, body aches, and a sore throat. These symptoms may be mild, but they can be severe.

What are the symptoms of influenza b?

fever, headache, aching muscles, chills and sweats, dry, persistent cough

What causes influenza b?

influenza viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks

Which medicines are used for influenza b?

oseltamivir

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