Claris lifesciences is an international most admired pharmaceutical company, in the business of manufacturing and marketing of high end injectables with focus on new drug delivery systems for treatment of critical illnesses and diseases. Claris lifesciences manufactures kapstat. Kapstat contains calcium polystyrene sulphonate an inert cation resin, which is prepared in calcium phase. Calcium polystyrene sulphonate is indicated in hyperkalemia, a condition in which there is increased potassium level in the blood [>5.0 millimoles]. Calcium polystyrene sulphonate acts by removing potassium ions from the large intestine lumen.