Dear sir .i am 24 suffering from ed from last one year .firstly I have go for penile doppler in july 2016 and the results are normal 20 min 38 cm/s and after that doct gave me tadalafil 10 mg and to do intercourse after 10 min. After masturbation I felt pain amd pain continue till now and on 2nd nov I again go for doppler test in different lab and the flaccid flow is 4.4 cm/s and after injection the flow is 19. 6 cm/s in 20 min and 25 cm/s in 25 min. And there is also paon in penis. I want to whether there is any problem?