There's also a new drug in development to increase libido. This is a hormone treatment and would be marketed to both men and women. It works in the brain to increase the desire for sex. In the first stage of testing, it also seems to reduce the appetite for food so this could be a double treatment. Enjoy great sex and lose weight at the same time. The real benefit should be in reducing the problem of performance anxiety. Already available in some countries comes Zydena which is mainly aimed at the problem of premature ejaculation but is also said to improve hardness.
Is Viagra changing?
Other than this, all the development effort is going into providing the PDE5 inhibitors like viagra in different formats. So, for example, pills that melt in the mouth are now available in different flavors - mint seems to be popular. Look around and you will find soft and chewable versions. The longer term solution may come from gene therapy but this is too far away for it to be considered real.