phylacogen

plural phylacogens

1. countableuncountableAny of several bacterial derivatives developed by Dr. A. F. Schafer in 1910 to combat bacterial infections.

   Administer phylacogen to combat the effects of the toxemia from the infecting organisms.

   1915, The Therapeutic Gazette, page 515

   2 more examples

   As patient was steadily growing worse and becoming more emaciated and suffering from the increased pain, rheumatism phylacogen treatment was suspended, and a tuberculin test was made, which was markedly positive.

   1912, College of Physicians of Pittsburg, Pennsylvania, Symposium on the use of phylacogens (modified bacterial derivatives) (page 62)

   When phylacogens were first introduced the best means of regulating the dosage to the individual patient had not been determined, and constitutional reactions were more frequent and more pronounced than they are at the present time.

   1920, Hospital Corps Quarterly, numbers 12-15, page 89