Viagra® and generic Viagra® consist of sildenafil, which is identical medication found in another drug called Revatio®. Revatio® is used to take care of a exceptional disorder referred to as pulmonary arterial hypertension (PAH).?? ????? ???????? ??? ???????? ??????? ??? ??? ?? ????? ???? ?? ??????? .. ?????? ???? ???? ????Disclaimer: The data