Acute SinusitisClinical Guideline Knowledge CheckSinusitis and rhinosinusitis refer to inflammation in the nasal cavity and paranasal sinuses. Acute rhinosinusitis (ARS) lasts less than four weeks. The most common etiology of ARS is a viral infection associated with the common cold. Distinguishing acute viral rhinosinusitis related to colds and influenza-like illnesses from bacterial infection is a frequent challenge to the primary … Read More