I found a lump on my armpit and its so sore that I can not even move my arm up and down,and when I do it bruns like heck,I went to the doctor but the invection pill helped a little and I need it gone by next weekend is there anything I can buy over the canter at a drugstore to get rid of the burn and the soreness utill nextweekend

Just put a hot wash cloth under your arm and hold it for a couple minutes. Repeat daily in your shower until it goes away.