IDSA Algorithm for the management of acute bacterial Rhinosinusitis Signs & Symptoms either: a) Persistent & not improving (>10 days); b) Severe (>3-4 days); or c) Worsening or "double-sickening" (>3-4 days) Risk for antibiotic resistance: • Age or >65, daycare • Prior antibiotics within the past month • Prior hospitalization past 5 days • Comorbidities • Immunocompromised #rhinosinusitis #Algorithm #management #bacterial #idsa