Big Toe Swollen Why Is My Big Toe Swollen? For No Reason?

Why is my big toe swollen? for no reason? - big toe swollen

my big toe is red and swollen on the right side of my toe, it is very painful. I remember him not violated in any case, it is so, for days I see a white into the red to the same point, what is it? Could an infection? I can not go back to the right, but I'm limping. this is so bad that the entire area of the right knee to foot badly injured a foot ... What is it? Please help