Health Library

The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.

Flu: Signs of Bacterial Infection

Topic Overview

A bacterial infection may develop following infection with viral influenza. Signs of a bacterial infection include:

  • Feeling short of breath.
  • A fever that doesn't go away.
  • A cough that lingers more than 7 to 10 days after other symptoms have cleared, especially if it is bringing up mucus (productive).
  • Yellow, green, rust-colored, or bloody mucus that is coughed up from the lungs, especially while other symptoms are getting worse.
  • Sinus, throat, or ear pain that is new or doesn't go away.

These infections may sometimes need treatment with antibiotics.

Related Information

Credits

Current as of: October 26, 2020

Author: Healthwise Staff
Medical Review: E. Gregory Thompson MD - Internal Medicine
Adam Husney MD - Family Medicine
Christine Hahn MD - Epidemiology

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.