In December 1938 Bloom1 reported marked success in the treatment of hay fever by the oral administration of potassium salts. Reporting twenty-nine cases of hay fever, Bloom stated that the administration of 5 grains (0.32 Gm.) of potassium chloride three or four times a day in a glass of water gave in all twenty-nine "a degree of relief which was estimated as over 50 per cent, and in most of them approximately 100 per cent." A second report confirming these results was published by Bloom and Grauman2 in July 1939. Meanwhile Abt3 reported comparable results in children and Engelsher4 in a communication to The Journal reported practically complete failure.
In view of the simplicity of the treatment involved and the importance of hay fever as a disabling affliction, it was thought advisable to repeat the work of Bloom. The following account, therefore, presents our efforts impartially