i fined swelling on my feet by taking the DMV of PATANJALI YOGA PEATHE

i am suffering from BP last 30 Years and taking the allopathi medicine now with the suggestion of ayuverdic doctor of patanjali i have taking the 2tab. empty stomach twice a day .ofter that I found that swelling on my feet than again contact to the doctor he advised DASMULARIST AS PER the advised i am also taking one tablet of DIVYA HRIDYAMRIT VATI but no reduce the swelling .we have also reduce two tablet to one each day and night . I want to know what is reason behind this (YES MY BP WAS REDUCED TO 140/90 to130/80 within 10 dayes)