Viagra was approved by the FDA on March 27 , 1998 . March 1998 : The FDA approves the use of the drug Viagra to treat erectile dysfunction . It's a drug that is used to treat erectile dysfunction and other sexual problems in men who have had surgery for those conditions or are at risk of developing them later in life. Since then three major competitors for Viagra have been approved .
Viagra was approved by the FDA on March 27 , 1998 . It's a drug that is used to treat erectile dysfunction and other sexual problems in men who have had surgery for those conditions or are at risk of developing them later in life. Since then three major competitors for Viagra have been approved .