Intradermal medication is neither new nor recent. Tuberculin and vaccines have been so exhibited. Mention is occasionally found of the fact that hay-fever patients have been benefited by intradermal pollen tests. Vaughan1 has advocated the daily subcutaneous injection of small doses of pollen extract in the treatment of hay-fever during the attack. But I cannot find in the literature here available a report of the systematic use of intradermal injections of pollen extract, at one or two day intervals, for the relief of the symptoms of hay-fever.
My purpose here is to report the results in a small series of cases intradermally treated, and the technic employed. These results are so much better than those obtained in previous years on a larger number of patients of the same sort, living in the same community and treated in the usual way with entirely similar pollen extracts, that it seems proper