<s>[INST] dear sir, i am 42 yrs old a paralysis patient, having erection problem, stroke was on 17.09.2009, still i am working in pc in my office, i do not hv physical balance to stand or walk, pls help me, my wife waants sex from me ,  YYYY@YYYY [/INST] Hi, If there were nerves system involved in your erection issue difficult to treat  You can try low dose PDE5 inhibitor - make sure you are not having cardiac issue before using. Also, check for testosterone and blood sugar. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. S. R. Raveendran, Sexologist </s>