The use of cupping glasses is limited to abscesses, furuncles and sinuses.
In a similar manner any other furuncles that may be present are incised or transfixed.
If furuncles incline to become carbunculous, the ichorous matter is speedily changed to good pus, and all danger is averted.
Sulphur should likewise be given in all cases where the furuncles reappear at different periods.
A major function of these cups was to collect wound secretions from boils or furuncles.