The is a complete analogy to the branded . is manufactured in the USA, its analogue - the Generic - in India. But not always can come up, for this many pharmacies offer a package of drugs consisting of Levitra and Viagra in order that the client could pick up the most effective drug.
You can find out about Avana, from user Edward Coil, who left a review here. If you believe what Edward says, then Avana is an effective treatment for impotence! The drug has minimal side effects and is more effective than other drugs.