What Causes Nerve Pain And Numbness Spreading From My Feet To Most Of My Body While I Have Hydrocephalus, Syringomyelia, And Fibromyalgia?

I was born a hydrocephalus, had brain surgery 2005, was left with full body nurve damage, how every I also have syringomyella , from that I uptained fibromyalgia , I started out only haveing numbness in feet , through out the year it has spreade now through out most of my body now . tingling , burning of fire in my entire body now , deadness