Could My Symptoms Be Caused By Body Lice, Scabies, Bilharzia, Or Something Else?

I don t know what if come in contact with but upon doing a lil research and image search it can be a number of things to say the least and with hope from this help maybe I can be more educated as to what could be what to expect and if treatment and so forth so my impulses are screaming body lice scabies or bilharzia or that shitosis word