Calumet, Mich., Sept. 24, 1900.
To the Editor:
—In the Berliner Klinische Wochenschrift for Dec. 11, 1899, appeared an article by Dr. Max Heim, of Düsseldorf, in which he recounted such successful results in the treatment of pertussis with a new remedy, "antitussin," that I was impelled to obtain a small amount of the remedy for trial. The results of this trial are, I think, sufficiently interesting to be worthy the notice of those who may not have seen Dr. Heim's original article or any abstract of it. It is an ointment, consisting of 5 parts difluordiphenyl, 10 parts of vaselin and 85 parts of lanolin, and is administered by inunction. The back, chest or abdomen of the patient is thoroughly washed with warm soap and water and rubbed dry with a rough towel. On the skin thus prepared the ointment is applied, a small portion at a time, and