Is It Normal for the Right Epididymis to Harden During Erection?

Q: Is It Normal for the Right Epididymis to Harden During Erection?

Hello： In principle, asymmetrical pain on both sides requires medical attention, as it may indicate localized inflammation. <br>Regarding the pain you mentioned from the anus to the rectal base, it could be related to prostate issues. <br>It is advisable to consult a urologist fo

Is it normal for the right epididymis to become firm during an erection?

Hello Doctor, I would like to ask you about something.
I discovered a hard lump on my right testicle when I was a teenager (about ten years ago) and later learned that it was likely the epididymis, so I didn't think much of it.
Recently, I noticed that the right epididymis only becomes firm during an erection, and is not prominent at other times.
Is this normal? The left epididymis does not have this condition.
Additionally, I would like to ask about a pain I occasionally experience in my lower abdomen, located approximately in the middle between the anus and the base of the scrotum (is this the rectal area?).
The pain lasts about 5 to 10 seconds and occurs occasionally—sometimes once a week, and other times I may not experience it for an entire year.
The intensity of the pain is similar to that of pressure on the testicles.
Is there any relation between these two issues? Thank you, Doctor.

ric, 20~29 year old female. Ask Date: 2016/10/21

Dr. Sun Hongshun reply Urology

Hello: In principle, asymmetrical pain on both sides requires medical attention, as it may indicate localized inflammation.
Regarding the pain you mentioned from the anus to the rectal base, it could be related to prostate issues.
It is advisable to consult a urologist for examination.
Wishing you good health.

Reply Date: 2016/10/21

More Info

It is not uncommon for the epididymis, particularly on one side, to feel different during an erection compared to when it is flaccid. The epididymis is a coiled tube located at the back of each testicle, and its primary function is to store and mature sperm. During an erection, increased blood flow to the genital area can cause various structures, including the epididymis, to become engorged and feel firmer. However, if you have noticed a significant difference in hardness or size between the two sides, it is essential to consult a healthcare professional for a thorough evaluation.

The presence of a hard lump on the right epididymis that you have noticed for years could be a normal anatomical variation, but it could also indicate a condition such as epididymitis, a benign cyst, or even a more serious issue. The fact that it only becomes noticeable during an erection may suggest that it is related to blood flow changes, but it is crucial to rule out any underlying pathology.
Regarding the lower abdominal pain you described, which occurs intermittently and is located between the anus and the base of the scrotum, this could potentially be related to several factors. The area you are referring to is indeed close to the rectum and could involve structures such as the prostate gland or the pelvic floor muscles. Pain in this region can sometimes be associated with conditions like prostatitis, which is inflammation of the prostate, or other pelvic floor disorders.
The pain you experience, which lasts for a short duration (5-10 seconds) and varies in frequency, may not be directly related to the hardness of the epididymis, but it is still worth discussing with a healthcare provider. They may consider conducting a physical examination, possibly including a digital rectal exam, to assess the prostate and surrounding structures.
In summary, while some variations in the hardness of the epididymis during an erection can be normal, the presence of a hard lump and intermittent pain warrants further investigation. It is advisable to seek a consultation with a urologist, who can perform the necessary examinations and tests to determine the cause of your symptoms and provide appropriate treatment if needed. Regular check-ups and self-examinations are essential for maintaining reproductive health, and any significant changes should always be evaluated by a medical professional.

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