Where it works:
Potassium Sulphate works in conjunction with Phosphate of Iron, as an oxygen carrier, to have a beneficial effect on respiratory and circulatory functions. It is also useful for the skin and minor eruptions with scaling or sticky exudation such as with dandruff, chickenpox, etc.
Potassium Sulphate may also give relief from catarrhal problems associated with yellowish or greenish discharge. Particularly from the mucous membranes of the nose or vagina. Often used towards the end of a cold, when the discharge is profuse and frequent.
Sometimes beneficial for shifting acute rheumatic pains. It opens the pores of the skin, brings blood to the surface, and promotes perspiration. For this reason, it is often beneficial in alternation with Ferrum Phos. For fever, when the temperature rises in the evening.