Where are data concerning this remedy found ? In the same source as the foregoing. Give the clinical applicability of Calcarea sulphurica. It corresponds to suppurative processes, abscesses, etc. What are the indications for Calcarea sulphurica in abscess ? When the abscess has broken or has been lanced and is discharging, then Calcarea sulphurica comes in ; the presence of pus with a vent is the characteristic indication. In what special disease is Calcarea sulphurica indicated ? Suppuration of the tonsils ; abscesses of the cornea ; suppurative processes in the lungs, boils or any suppurating wounds. How does it compare with Hepar and with Silicea ? It is deeper acting than Hepar , and acts after that remedy ceases to act ; Silicea comes in before this remedy to favor or to prevent the suppuration.