Chronic rhinosinusitis (CRS) is an inflammatory condition of the paranasal sinuses defined by classic symptoms, imaging findings, and/or endoscopic findings. There are a growing number of emerging pharmacologic therapies being evaluated to treat patients with CRS, some of which have gained indication status in the United States. There have not been updated treatment guidelines published in the United States however since 2014. This document is meant to serve as an updated expert consensus document for the pharmacologic management of patients with CRS We review available data focusing on prospective clinical trials on oral and intranasal corticosteroids, nasal irrigation, biologics, antibiotics, and allergy immunotherapy for CRS both with and without nasal polyposis, as well as specific therapies for aspirin exacerbated respiratory disease associated CRS and allergic fungal CRS. There are multiple options to treat CRS, and clinicians should be knowledgeable about the efficacy and risks of these available therapies. Allergists/Immunologists now have various therapies available to treat patients with CRS.
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