If you have noticed a bump on the shaft of your penis, or a curve during erection, do not ignore it. It could be Peyronie’s disease. Peyronie’s disease is characterized by a curved penis. It is not unusual to have a slightly curved penis when erect, and it isn’t necessarily a cause for alarm. The natural curve to the penis
Is your penis crooked? Does it curve or bend noticeably to the right or left when erect? This could be a sign of Peyronie’s disease. It is perfectly normal for your penis to be curved to some degree upon erection. But, if you have a significantly crooked penis, especially if it is interfering with your ability to perform sexually, do