Unlike Viagra, flibanserin works on the brain to rekindle sexual appetite in women

Udenafil  has a  faster  onset of action  and  can be effective for up to 24 hours

Testosterone gel Fortesta to enhance sexual libido in testostrone deficient men by Endo Pharmaceuticals Holdings Inc has been delayed approval in US.

Repros' Androxal is also found raising male sex hormone testosterone in men

Axiron is a fast-drying, pleasant smelling testosterone 2% solution to be applied to the armpits once daily

Premarin, a gel containing a mixture of female sex hormone oestrogens, from Wyeth offers to relieve some of common symptoms of vaginal dryness and painful intercourse in women.