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Differential Diagnosis of Bronchial Asthma with Special Reference to the Upper Respiratory Tract.Dr. Leon Unger (by invitation).
The allergic person may have symptoms in any part of the respiratory tract. If the allergy affects the nose, we say that the patient has hay fever or perennial allergic rhinitis. In recent years allergic involvement of the sinuses has been included in one of these two categories. When the symptoms strike lower down, the patient has either bronchial asthma or allergic bronchitis.The diagnosis of allergy is usually not difficult and is based on the following: (1) history of allergy in the family and/or other allergic conditions in the patient; (2) clinical tests whereby symptoms are relieved by removal of the causative factors and increased by reexposure; (3) positive skin tests which must be corroborated clinically; (4) symptomatic relief from such medicines as epinephrine or the antihistaminic drugs, and (5) the