AAP                 American academy of pediatricians

AAFP               American academy of family practitioners

ARS                   Acute Rhinosinusitis

ABRS                Acute bacterial rhinosinusitis

CPG                 Clinical Practice Guideline

ESS                     Endoscopic sinus surgery

INC                     Intranasal corticosteroids

GRADE            Grading of Recommendations Assessment, Development and Evaluation

MM                    Middle meatus

RARS                  Recurrent acute rhinosinusitis

SPT                   Skin prick test

VRS                  Viral rhinosinusitis