Scabies usually affects the sides and webs of the fingers, inside of the wrists, elbows, armpits, skin around the nipples (especially in females), skin around the belly button, waist, male genitals (scrotum and penis), knees, lower half of the butt and tops of thighs, and sides and backs of the feet. The back is not usually affected. The head is not usually affected except in very young children.
