Endoscopic Sinus Surgery

Also known as: endoscopic nasal and sinus surgery.

What is endoscopic sinus surgery?

Sinusitis is a medical condition that results from blocked sinuses and causes symptoms such as impaired breathing and pain. Endoscopic sinus surgery is a medical procedure used to clear
blocked sinuses.
 

What happens during the procedure?

The patient is placed under general anesthesia. Then an endoscope, which is a long, thin flexible rod, is inserted into the nose. The endoscope uses a light and a camera for visualization while special tools clear the blocked sinuses.
 

Is any special preparation needed?

The patient may need to avoid food, drink and certain medications for a period of time before the procedure.
 

What are the risk factors?

Bleeding, discomfort, congestion and nasal drainage are common risks after endoscopic sinus surgery.

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Reviewed by: Yamilet Tirado, MD

This page was last updated on: September 16, 2025 12:43 PM