I have been under an MD Vascular surgeon, who diagnosed Vascular venous insufficiency minor,, left foot and has issued me a compression stocking. and using at night , I stopped for about 4 days, due to small sore on ankle. (last 4 days now) all of sudden left thigh at nights getting painful intermittent in deep. comes and goes during night . awake and walking it disappears for hours but now last two hours am., it shitting me sharp pain again. I am cardio patient, AF, using Pradaxa, since FDA approved 2 year ago.is this phlebitis or DVT? signed Jim. email address YYYY@YYYY