I had used a pain relieving patch after seeing a small enlarged veins in pennis, i left this for 8 hours. Usually I have very good erection and gets erected easily. But after taking of this patch i have no erection, pennis not getting stronger. what should i do now? I had used a pain relieving patch after seeing a small enlarged veins in pennis, i left this for 8 hours. Usually I have very good erection and gets erected easily. But after taking of this patch i have no erection, pennis not getting stronger. what should i do now,?