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What is a sinus blockage?

ANSWER

Each sinus has a narrow spot, called the transition space (ostium), which is an opening that’s responsible for drainage. If a bottleneck or blockage happens in the transition of any of your sinuses, mucus backs up.

From: What Causes Sinus Problems? WebMD Medical Reference

SOURCES:

Ford Albritton, MD, director, the Center for Sinus and Respiratory Disease at the Texas Institute, Dallas.

Jordan Josephson, MD, director, NY Nasal & Sinus Center; attending physician, Lennox Hill Hospital; author,  Sinus Relief Now.

Kidshealth.org: “When Sinuses Attack.”

National Institutes of Health: “Sinusitis.”

WebMD Medical Reference: “When a Cold Becomes a Sinus Infection.”

Reviewed by Nayana Ambardekar on January 20, 2018

SOURCES:

Ford Albritton, MD, director, the Center for Sinus and Respiratory Disease at the Texas Institute, Dallas.

Jordan Josephson, MD, director, NY Nasal & Sinus Center; attending physician, Lennox Hill Hospital; author,  Sinus Relief Now.

Kidshealth.org: “When Sinuses Attack.”

National Institutes of Health: “Sinusitis.”

WebMD Medical Reference: “When a Cold Becomes a Sinus Infection.”

Reviewed by Nayana Ambardekar on January 20, 2018

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Is it possible to have an extra sinus?

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