Left sided weakness from head to toe.

From past 20 years facing the weakness in left side of body and visited n no of doctors for the same but nothing to come up Body is maintaining different temperatures zones, one side of the body is sweàting other side is feeling chillness Mild pain was there in left side of the body from head to toe initially now the stiffness and intensity of pain has increased along with shaking body Now the pain intensity has also increased in left side of stomach, left testicles blurry vision at certain times is there From past couple of months I am not able to urinate and pass motion in proper manner as I can feel the urge for the same but unfortunately the urinary tract and anus are not giving the opening to extract I had used condoms through out my life but from past one month I am not able to get the feeling with condoms and facing erectile disfunction problem and not getting the feeling to ejaculate at certain times mind is showing the curiousity for sex but penis don't respond for the eractio