A B C D E File G H I J K L M N O P Q R S T U V W X Y Z A B C D E File G H I J K L M N O P Q R S T U V W X Y Z How does this medication function? What will it do for me?The concomitant administration of your protease inhibitor ritonavir considerably improves serum concentrations of sildenafil (eleven-fold increase in AUC). If VIAGRA is prescribed to