Dear patient Swelling and blister on foot and leg may be due to inflammation and trauma to involved leg. Too much activity to which we are not accustomed may lead to this. Since oozing is brown colored blisters are hemorrhagic. impending compartment syndrome may lead to this. Strict limb elevation is advised. Avoid wearing shoes for 1 week. Ice fomentation every 2 hourly for 2 days and then less frequently. dressing with glycerine and mgso4 solution should be done. Active toe movements should be done. Tab cefixime 200 mg twice a day for 3 days to prevent infection. If swelling increases in this treatment with pain please consult surgeon nearby you asap.