Skip to content
My WebMD Sign In, Sign Up

Allergies Health Center

Sinus Infection Directory

Sinus infection, also called sinusitis, describes sinuses and nasal passages that are irritated and inflamed. Sinus infections are treatable. Follow the links below to find WebMD's comprehensive coverage about what causes sinus infections, risk factors, treatment, and much more.

Medical Reference

Features

Thumbnail: Is It a Cold or a Sinus Infection?

How can you tell the difference between a cold and a sinus infection? And how do you treat them?

Read Full Article

Video

Slideshows & Images

WebMD Answers

Quizzes

News Archive

Today on WebMD

epinephrine at school
Article
Woman sneezing with tissue in meadow
Slideshow
 
Woman wth tissue
Slideshow
thumbnail_florist_wearing_surgical_mask
Slideshow
 

woman sneezing
Slideshow
Bottle of allergy capsules and daisies
Article
 
Urban blossoms
Slideshow
Woman blowing nose
Slideshow
 

Woman with itchy watery eyes
Slideshow
Allergy prick test
VIDEO
 
Man sneezing into tissue
Tools
woman with duster crinkling nose
Quiz