| NSAIDs | Nonsteroidal anti-inflammatory drugs |
| AECS | Acute exacerbations of chronic sinusitis |
| ESBL | Extended-spectrum beta-lactamase |
| CT | Computed tomography |
| PCR | Polymerase chain reaction |
| ESS | Endoscopic sinus surgery |
| CRS | Chronic rhinosinusitis |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.