Every practitioner is challenged by the patient who complains of nasal anti
sinus congestion, headache, or post-nasal discharge. These common symptoms
, although seemingly trivial, may interfere greatly with the quality of lif
e of the individual. This article examines the task of allergy diagnosis an
d therapy for the practitioner from the otolaryngologist's point of view. R
ecommendations of treatment and referral criteria are established.