Visible Veins on the Penis: Normal or Cause for Concern? - Urology

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Blood vessels on the penis?


Hello doctor, I would like to ask a few questions.
Recently, after starting a relationship, I began to notice that there are several blood vessels on the upper side of my penis that appear red when I am erect.
Although I can't feel them much, they look a bit alarming, almost purplish.
However, when I am flaccid, they are less noticeable, and I can only see a slight bluish-green color of the veins.
Is this normal, or could it be what is referred to online as varicocele?
Additionally, sometimes when I am with my girlfriend, I am unsure if it’s due to prolonged excitement, but I feel a bit embarrassed to mention it.
When I am erect for a long time, there is some discomfort, although it feels fine when I am not erect.
I'm not sure if this is due to tight clothing.
During the process, I do not have a strong desire to ejaculate; is that okay? I am a bit worried about whether this could be unhealthy in the long term.
Would you recommend that if I do not use a condom during intercourse, I should take care of it myself when I get home? Thank you for your response!

Chen, 10~19 year old female. Ask Date: 2020/04/28

Dr. Du Shixi reply Urology


Hello: 1) It is normal for blood vessels to become engorged during an erection; this is not varicocele.
2) If there is pain during an erection, consider wearing looser underwear.
It is advisable to resolve any issues at home if you are not using a condom during intercourse—this should not be a problem.
Wishing you good health.

Reply Date: 2020/04/28

More Info


Dear Patient,
Thank you for reaching out with your concerns regarding the visible veins on your penis and the associated symptoms you are experiencing. It’s completely understandable to have questions about changes in your body, especially when they are new and potentially alarming. Let’s break down your concerns and provide some clarity.

Firstly, the visibility of veins on the penis, particularly during an erection, is generally considered normal. The penis contains a network of blood vessels, including arteries and veins, that expand and contract during sexual arousal and erection. When you become aroused, blood flow to the penis increases, causing these veins to become more prominent. The reddish or purplish appearance you are observing is likely due to the increased blood flow and the engorgement of the erectile tissue.
In some cases, individuals may notice more pronounced veins due to factors such as body composition (e.g., lower body fat), genetics, or even the level of hydration. If the veins are not causing you pain or discomfort, and if there are no other symptoms such as swelling, discoloration, or changes in sensation, it is typically not a cause for concern.
However, you mentioned a concern about varicocele, which is a condition characterized by enlarged veins within the scrotum. While varicocele primarily affects the scrotal area, it can sometimes be confused with similar symptoms in the penis. If you are experiencing pain or discomfort, especially if it persists, it would be advisable to consult a healthcare professional for a thorough examination.

Regarding the discomfort you experience during prolonged erections, it is not uncommon for individuals to feel some discomfort if an erection lasts longer than usual without ejaculation. This condition, known as "blue balls" or epididymal hypertension, occurs when blood pools in the genital area, leading to discomfort. It is important to listen to your body; if you feel pain, it may be a signal to either take a break or find a way to relieve the pressure.
As for your question about sexual activity without a condom, it is essential to practice safe sex to protect against sexually transmitted infections (STIs) and unintended pregnancies. If you choose to engage in sexual activity without a condom, it is advisable to have a conversation with your partner about sexual health and to consider alternative methods of contraception. If you feel the need to relieve yourself after sexual activity, it is a personal choice, but it’s important to ensure that you are doing so in a safe and healthy manner.

In summary, the visibility of veins on your penis during an erection is typically normal and not a cause for concern unless accompanied by other troubling symptoms. If you experience persistent pain or discomfort, or if you have further questions about your sexual health, I encourage you to seek a consultation with a healthcare provider who can provide personalized advice and care.

Take care, and don’t hesitate to reach out if you have more questions or concerns.

Best regards.

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