extra red puffy skin in my vigina that was never there before

:( i am very scared and i dont know what to do.....

in my vigina there is a really red puffy peice of skin extending out on the left side of my vigina!
i dont know what it is and i am very self conchis!

please!!
please!!!!!!
PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
LET ME KNOW!