Testicular cancer and erectile dysfunction are connected in ways that are more nuanced, and in some respects more reassuring, than most men expect when first diagnosed. Testicular cancer is the most common cancer among men aged 20 to 40, exactly the age group this site’s own research shows is most likely to assume ED is “all in their head” rather than seek assessment. Here are six essential facts.
1. Losing One Testicle Usually Doesn’t Affect Erections or Fertility on Its Own
According to Macmillan Cancer Support, removing one testicle generally does not affect a man’s ability to get an erection or father a child, the remaining testicle usually produces enough testosterone and sperm on its own. This is genuinely reassuring, and worth knowing early if you’re facing this diagnosis.
2. Treatment Overall Does Carry a Real, Measurable Increased Risk
A large nationwide cohort study published in the Journal of Urology, comparing 1,754 testicular cancer survivors with over 7,000 controls, found survivors were nearly three times more likely to develop ED and over six times more likely to develop testosterone deficiency. This is a genuine, well-documented risk worth monitoring, even though many men do well.
3. Surprisingly, Sexual Dysfunction Often Doesn’t Correlate With Hormone Levels
This is genuinely the most interesting finding in the research: multiple studies, summarised in a review in Frontiers in Endocrinology, found no clear association between measured testosterone levels and the presence of erectile dysfunction or low desire in testicular cancer survivors. This suggests psychological factors, the emotional weight of a cancer diagnosis, body image changes, and anxiety about the future, may play a larger role than the biology alone.
4. Sperm Banking Before Treatment Starts Is a Critical, Actionable Step
According to a review in PMC, sperm preservation should be offered to every testicular cancer patient before any treatment begins, it’s described as the most cost-effective way to protect future fertility. This is worth raising proactively with your treating team if it hasn’t already come up.
5. A Specific Surgery Type Carries Its Own Distinct Risk: Retrograde Ejaculation
Retroperitoneal lymph node dissection (RPLND), sometimes needed for more advanced disease, can damage the nerves involved in ejaculation, causing semen to travel backward into the bladder instead of out through the penis during orgasm. This is a distinct issue from erectile function itself, worth understanding separately if this procedure is part of your treatment plan.
6. Sexual Difficulties Are Common, Support Exists, and Things Often Improve Over Time
Studies estimate sexual dysfunction of some kind affects around 20 to 40% of testicular cancer survivors long-term, alongside real emotional adjustment during and after treatment. For many men, low desire and other difficulties genuinely ease over time as the emotional weight of the diagnosis becomes easier to carry. Support is available, and this is worth discussing openly rather than assuming it’s something to just push through alone.
A Private Self-Check
A few questions worth reflecting on:
2. Have you had testosterone levels checked as part of your follow-up care?
3. Do you know whether your specific treatment included RPLND?
4. Would you say the difficulty feels more physical, more emotional, or a mix of both?
5. Have you had space to talk through the emotional side of this diagnosis, not just the physical treatment?
Not a diagnosis, just a way to think through your situation before a consultation.
Frequently Asked Questions Testicular Cancer and Erectile Dysfunction
Will I definitely have ED after testicular cancer treatment?
No, many men have no lasting difficulty at all. Risk is genuinely increased compared with men without a cancer history, but it isn’t the expected outcome for everyone.
Should I bank sperm even if I’m not sure I want children?
It’s worth discussing with your treatment team regardless, since it preserves the option for the future without committing you to anything now.
Is low testosterone the main cause of sexual difficulties after treatment?
Not necessarily, research often finds no clear link between measured testosterone and sexual dysfunction in this group, psychological factors appear to matter just as much, sometimes more.
What is retrograde ejaculation, and is it dangerous?
It’s when semen travels into the bladder rather than out during orgasm, following certain surgeries. It isn’t dangerous, though it does affect fertility and is worth discussing with your urologist.
Can this practice help alongside my cancer treatment?
Naturopathic support can reasonably address general wellbeing and lifestyle factors alongside your oncology and urology care, working with your treating team rather than replacing it.
Will things improve over time?
For many men, yes, both physical and emotional aspects often ease as recovery progresses, though timelines vary between individuals.
Reviewed by George Mulaudzi, Naturopath, Erectile Dysfunction Clinic. This article provides general educational information and is not a substitute for personalised medical advice, diagnosis or emergency care. This practice does not diagnose or treat testicular cancer; care should be coordinated with your oncology and urology team.
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