Defined as 2 or more of the following:
Blockage or congestion of nose
Facial pain or pressure
Hyposmia (diminished ability to smell)
Anterior or posterior nasal discharge lasting <12wk
Additional symptoms:
Tooth pain
Fever
Sinus pressure while bending forward to changing head position
Blockage or congestion of nose
Facial pain or pressure
Hyposmia (diminished ability to smell)
Anterior or posterior nasal discharge lasting <12wk
Tooth pain
Fever
Sinus pressure while bending forward to changing head position
Symptoms persist >10 days
Daytime cough
Worsening or bimodal course
Fever >102.2F (39C)
Purulent nasal discharge >3d
Pain in maxillary teeth
Hx of diabetes
Sinusitis
Upper respiratory infection, influenza
Laryngitis
Mastoiditis
Juvenile nasopharyngeal angiofibroma
Croup
Nasal polyp
Pharyngitis