Viagra (sildenafil) doesn't work for me now after 10 yrs. of using it; how can something help with using it as an extra? i'm 76.

Here are some ...: Your Hx indicates the age-related functional deficit in erection / coitus has accumulated to the level and exceeded what Viagra (sildenafil) can do for you. Today, the steps for ED are still: oral drugs, urethral suppository / penile injection of alprostadil, pump device, and penile implant. So, direct what concerning you to your Doc timely to decide what you need now, but not necessarily what you like.