Abstract
1) “Nonallergic asthma” can occur from any condition in which there is a partial obstruction of the laryngotracheobronchial tree. It can also occur from sudden dilatation of the left ventricle. 2) We have discussed patients whose wheezing and dyspnea were due to (1) a leiomyoma of the trachea, (2) a carcinoma of the carina, (3) a substernal goiter, (4) silicosis of the lungs, (5) acute cardiac dyspnea (cardiac asthma), and (6) bronchiectasis. 3) We urge all allergists to become more proficient as internists, and also suggest that all internists learn enough about allergy so that they can make correct diagnoses and hurry the allergy surveys which are so important in the treatment of true allergic conditions.
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