AS THE result of our stimulation by the fact that calciferol improved or cured the previously chronic resistant and progressive disease lupus vulgaris, the present study, for the sake of investigation, was done. This project was started in October 1948 and extended to December 1949. The material used was a highly potent calciferol1 (vitamin D2, 1,250 units per drop) in propylene glycol.
The amount of the drug used depended on the age of the patient and the individual reactions. The youngest was 2 years of age, and the oldest 72. The minimal dosage was 2 drops (2,500 units) three times a day, and the maximum was 40 drops (50,000 units) three times a day. The longest period of treatment was 14 months, during which time many of the patients received a minimum dose of 50,000 units daily. The dose of the drug was increased or decreased according