Why is the penis blue?

Balanus cyanosis may be caused by physiological factors, may also be caused by balanitis, foreskin incarceration and other pathological factors.

1, physiological factors

If the weather is too cold, then the male glans blood reflux will be slow, can lead to the glans skin was cyanosis, this is a normal physiological phenomenon.

2, balanitis balanitis

is an inflammatory reaction occurs in the glans, inflammatory factors can stimulate the glans tissue to make its congestion edema, when the degree of congestion is larger will also be cyanosis.

3, foreskin incarceration

foreskin incarceration can affect the blood circulation around the glans, easy to lead to glans tissue ischemia, so that it becomes cyanosis.