THE TERM vasomotor rhinitis is a confusing one. It was originally used to include all those symptoms which are now described as due to nasal allergy. The commonest of these, of course, are itching, paroxysmal sneezing, profuse watery nasal discharge, uniform swelling of the turbinate bodies, grayish white mucosa, and eosinophilia. When these are found in persons who have positive skin-test reactions to the common pollens, the more modern term is "pollinosis." If patients show positive reactions to the routine offending contactants, we now refer to them as suffering from specific "contactant rhinitis" or "contactant allergy."
In this discussion, however, we shall consider under the term "vasomotor rhinitis" that very large group of patients whose primary symptoms are those mentioned above and yet who show no positive skin reactions following either scratch or intradermal testing. It has been suggested by Hansel1 that their complaints may be due to increased