URI: Differential Diagnosis
Sinusitis Duration > 10 d
Pharyngitis Exudate, fever, nodes
Pneumonia Rales, tachypnea
Allergic Rhinitis +FH, PMH, nasal eos.
Foreign Body Unilateral, foul odor
Rhin. medicamentosa Hx top. decongest.
Bronchitis Rhonchi, Stridor