I injured my foot 4 days ago, and although it hurt at the time it didnt stop me running. However, the next day it became quite swollen and very hard to walk on, but i had full movement. The swelling has gone down now and movement is fine, but its painful to walk on when applying pressure. There has been gradual improvement with time. Theres no colouration of the skin and so im unsure as to what could be wrong. Im going to book an appointment with my doctor, but i would like an opinion earlier if its possible.