What Causes Excessive Digits Growth With Foot And Leg Pain?

My height is 5'8" and weight around 59kg . I have problem in my left foot. The three fingers of my left foot (2nd,3rd ,4th)... other then toe and little finger,grows and have size larger then my right foot fingers ..and these fingers give me pain in my foot bootm and my left leg too when I walk more..I want suggestion I have some disease or something else?