Every physician is familiar with the plight of the patient who seeks help because of recurring perennial nasal obstruction, accompanied with profuse thin watery nasal secretion, postnasal discharge, sneezing and loss of sense of taste and smell. Patients may be young or old. Children so afflicted are prone to experience itchiness of the nose and develop mannerisms such as sniffling, nose wrinkling and nose rubbing (fig. 1). The condition is frequently associated with bronchial asthma. One practitioner after another is consulted and then, often, a rhinologist, allergist or even a psychiatrist. The diagnosis may be hyperesthetic or vasomotor rhinitis. However, if certain criteria for allergic diagnosis are present, then the condition is referred to as allergic rhinitis. These criteria include the presence of a family history of allergy, a personal history of other allergic manifestations (asthma, hay fever, eczema), blood and nasal eosinophilia, a history of clinical sensitivity and response