Nerves appear on the surface of penis How to rectify those.

Question

Veins in your penis will usually have a blue color, but sometimes you may have what looks like a" vein" appear that wasn't there before, but it's something else. It may be accompanied by some swelling, particularly around the corona (head) of your penis, and often it appears after some vigorous sexual activity.
This is often a lymph channel inflammation. Lymph channels usually follow near blood vessels, but the lymph system has no pump to move the fluid. Irritation of soft tissue, such as prolonged masturbation, vigorous intercourse, or even confinement, can cause an irritation of the lymph channels, particularly below the head (corona) of your penis.
It is usually accompanied by some discomfort, especially when further irritated by additional handling. The swelling may be mild or severe.

Rushali Angchekar · Accepted Answer

Veins in your penis will usually have a blue color, but sometimes you may have what looks like a" vein" appear that wasn't there before, but it's something else. It may be accompanied by some swelling, particularly around the corona (head) of your penis, and often it appears after some vigorous sexual activity.
This is often a lymph channel inflammation. Lymph channels usually follow near blood vessels, but the lymph system has no pump to move the fluid. Irritation of soft tissue, such as prolonged masturbation, vigorous intercourse, or even confinement, can cause an irritation of the lymph channels, particularly below the head (corona) of your penis.
It is usually accompanied by some discomfort, especially when further irritated by additional handling. The swelling may be mild or severe.