Feeling Of Pricking And Crawling On The Body, White Streaks On The Body While Taking Bath, Blood In Stool. History Of Spider Bites. Help

I keep feel needle sticks from head to toe an I could be looking in the mirror as the feeling start an I don't see anything but I feel the pain, I can have on long sleeves an pants an I still feel it,I take a shower an I have white streaks on my legs where the water falls last summer I was bit by 4 spiders at different times ..but if a fleck of lint falls on me I feel it as if something is crawling on me, this is driving me carzy what could be happening to me an with in the last week I've had blood in my stool when I use the bathroom first thing every morning can u tell me what it might be