These claims are backed by Dr. Leonore Tiefer who is Associate Clinical Professor of Psychiatry at the New York University School of Medicine specialising in male and female sexuality. Dr. Tiefer has put together a bibliography of 34 counter narratives that challenge the need for female Viagra. More of her story can be read here. And watched here.
In addition, according to the BBC the makers Sprout pharmaceuticals sold out to Valeant pharmaceuticals just one day after gaining FDA approval.