3 doctors weighed in:
Why are erections that last for hours dangerous?
3 doctors weighed in

Dr. Jesse Mills
Urology
2 doctors agree
In brief: Yes
Erections lasting for greater than 4 hours can lead to permanent damage to the penis and a condition called priapism where blood is trapped in the penis and loses its oxygen supply.
The greatest long term risk is irreversible erectile dysfunction.

In brief: Yes
Erections lasting for greater than 4 hours can lead to permanent damage to the penis and a condition called priapism where blood is trapped in the penis and loses its oxygen supply.
The greatest long term risk is irreversible erectile dysfunction.
Dr. Jesse Mills
Dr. Jesse Mills
Thank
Get help from a real doctor now
Dr. Peter Kurzweil
Board Certified,
46 years in practice
16M people helped
Continue
108,000 doctors available
Read more answers from doctors