Clot lysis by Streptokinase, water and various herbal preparations. Effects of drugs on dissolution of clots prepared from blood of normal individuals. Maximum clot lysis was observed in clot treated with streptokinase (SK). Among herbal drugs Fagonia arabica (Dhamasa) showed 75.6% clot lysis. Bacopa monnieri Linn (Brahmi) showed 41.8% clot lysis. Water (as a negative control) showed 4.7% clot lysis. With other herbs negligible clot lysis was observed.