Other generics are expected to hit the market next year.
Interactions different resistance drug.
Updated 21 Feb 2015 2 answers.
The difference from Viagra is that the drug begins to operate 30 40 minutes after taking.
The main problem with herbal and natural supplements is that they escape regulation by the FDA the ingredients don t have to be listed; the efficacy does not have to be proven; and the risk does not have to jeopardize the bottom line of the supplier.