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Updated: Mar 15, 2026

Absorption of Nasal and Bronchial Fluids: Precision Sampling of the Human Respiratory Mucosa and Laboratory Processing of Samples
Published on: January 21, 2018
Sinusitis
Background:
Acute and chronic sinusitis are common primary care presentations. They are caused by mucosal inflammation, which inhibits mucociliary function of the nose and paranasal sinuses.
Objective:
This article provides an overview of acute and chronic sinusitis, and a guide to workup and management in a primary care setting. Complications and other indications for referral are discussed.
Discussion:
Sinusitis involves a wide spectrum of presentations, both acute and chronic. It is primarily a medical condition, and surgical management is reserved for complicated or refractory cases.
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