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What Are the Factors Responsible for Penile Discoloration?

Increased blood flow

Because of the increased blood flow to the penis’ blood vessels and glands during sexual stimulation, the penis may take on a ruddy, almost purple color. This is because of the increased blood flow. But there are more, maybe more dangerous causes that could be responsible for the change in color of your penis.


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Penile discoloration can have a variety of causes, ranging from a simple bruise caused by a zipper to the extremely rare condition of penile cancer, which accounts for fewer than one percent of cancers diagnosed in males in the United States. A change in the color of the penis may be an indication of a sexually transmitted disease (STD) or a skin condition that is not communicable and is not harmful to the patient.

A bruise can appear virtually anywhere on the body because it is caused by the rupture of very small blood vessels that are located just below the surface of the skin. Accidents involving zippers, masturbation or sexual activity that is very intense, as well as being pinched or struck, can all result in bruising of the penis.

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A light bump on the skin will darken as it heals and eventually disappear after the process is complete. It’s possible that no medical intervention will be required.

However, a more severe bruise has to be checked out by a medical professional. The same holds true in the event that a minor scrape does not heal on its own.

When you are playing sports, make sure to wear protective clothing and be careful when zipping up your pants. This will help prevent you from injuring your penis.


It is important to get a diagnosis as soon as possible and begin treatment as soon as possible in the event that the change in color is caused by an underlying condition that is considered to be dangerous from a medical standpoint. Penile discolouration almost always warrants a visit to the doctor for further examination. It’s possible that it’ll just be a passing phase and nothing to worry about, but you shouldn’t make that determination on your own. 


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