hi.thanks for the opportunity to help you. from your description it looks to me like thrombophlebitis of the veins in the calf,hamstrings and buttocks.this has happened as a result of prolonged immobilization due to kidney stone surgery and stent insertion for 1month and as you have factor 5 deficiency you have tendency for hypercoagulability leading to clotting of blood.thus stasis due to prolonged bed rest,old age and factor 5 deficiency leading to hypercoagulability and clot formation can lead to thrombophlebitis.however we should rule out DVT which is a life threatening condition in which there is formation of thrombus in deep veins.these thrombus can dislodge and block pulmonary vessels leading to pulmonary embolism and death.though from your description it doesn t look like DVT. kindly visit a surgeon and get a venous doppler of lower limbs and get a coagulation profile , venogram, Radioactive,I125 fibrinogen study done.if it shows thrombophlebitis,oral antibiotics,thrombophobe ointment for l/a and t.chymoral forte 1-1-1x5 days can be taken . if however DVT is diagnosed by doppler of venous systems inj.low molecular weight heparin followed by warfarin as per surgeon s advise.if surgery is required.these methods to be considered in case of fixed thrombus. in case of free thrombus fibrinolysins,thrombectomy using fogarty s catheter or IVC filter can be used. surgical options are:-1)palma operation for iliofemoral thrombosis 2) May husni operation for popliteal thrombosis. t.dafflon 500 mg 1-0-1x3 months to reduce viscosity of blood and congestion of veins can be use prophylactically in cases of both thrombophlebitis or DVT. hope the consultation was beneficial regards