How Can Planters Wart Be Treated?

i have a planters wart on the bottom of my foot and i have been putting medicine on it for a month now and it is still there. it hurts to put pressure on it so i've been walking abnormal and now when i try to walk normal my whole foot and ankle cramps up and hurts really bad. are there any exercises i can do or something to help my foot get back to normal?