<prompt> Which is not used in treatment of superficial venous thrombosis -a Immediate anticoagulationb Rest and elevationc Analgesicsd Treat assosiated malignancyacabadbc  <response>: 1 Patient should not be kept at bed rest 2 Anti coagulation therapy is used when thrombus extends proximally to within 1 cm of the saphenofemoral junction to prevent the extension into femoral vein. 