Painful ejaculation is usually caused by inflammation or infection somewhere along the reproductive tract, most commonly in the prostate. About 1 in 5 men with urinary symptoms related to an enlarged prostate report pain or discomfort during ejaculation, but the problem also affects younger men dealing with infections, pelvic muscle tension, or medication side effects. The pain can range from a mild burning to a sharp, cramping sensation felt in the penis, perineum (the area between the scrotum and anus), or lower abdomen.
Prostate Inflammation Is the Most Common Cause
The prostate gland sits just below the bladder and surrounds the urethra. During ejaculation, it contracts to push fluid into the mix. When the prostate is inflamed, a condition called prostatitis, those contractions squeeze swollen tissue and trigger pain. Prostatitis can be caused by a bacterial infection, but in many cases no specific infection is found. This non-bacterial form, sometimes called chronic pelvic pain syndrome, can persist for months and flare with each orgasm.
An enlarged prostate, which becomes increasingly common after age 50, can also make ejaculation uncomfortable. As the gland grows, it can partially block the ducts that carry semen, forcing the muscles to contract harder to push fluid through a narrower passage. That extra pressure is what you feel as pain or a deep aching sensation.
Infections That Cause Pain
Sexually transmitted infections like chlamydia and gonorrhea commonly inflame the urethra (urethritis) or the tube that stores sperm behind each testicle (epididymitis). Both conditions can make ejaculation painful because the muscular contractions involved in orgasm push fluid through already-irritated tissue. Urinary tract infections can produce a similar effect, causing a burning or stinging sensation that peaks during or just after climax.
Infection-related pain typically comes with other clues: unusual discharge, burning during urination, swollen or tender testicles, or a low-grade fever. A urine test or swab can usually identify the specific organism, and the pain resolves once the infection is treated.
Pelvic Floor Muscle Tension
Ejaculation is a surprisingly physical event. The muscles of your pelvic floor, particularly the ones running along the base of the penis and around the perineum, contract rapidly and repeatedly to propel semen outward. When those muscles are chronically tight or in spasm, each contraction can feel painful rather than pleasurable. This is sometimes called pelvic floor dysfunction, and it often overlaps with chronic prostatitis symptoms.
Pelvic floor tension can develop from prolonged sitting, stress, cycling, previous injury, or even habitual clenching you’re not aware of. The nerves running through and near these muscles, including the pudendal nerve, pass through several tight anatomical spaces where they can become compressed. That compression can amplify pain signals during the intense muscular activity of orgasm.
Medication Side Effects
Certain antidepressants are known to cause painful ejaculation as a side effect. This has been documented with several classes of drugs: tricyclic antidepressants, SSRIs (the most commonly prescribed type of antidepressant), and some newer medications that affect serotonin and norepinephrine. The exact mechanism isn’t fully understood, but these medications alter nerve signaling throughout the body, including the nerves that coordinate ejaculation.
If painful ejaculation started around the same time you began or changed a medication, that’s a strong clue. The issue can sometimes be managed by adjusting the dose or switching to a different drug, but don’t stop taking a prescribed antidepressant without talking to whoever prescribed it first.
After Prostate Surgery or Radiation
Men who’ve had surgery for prostate cancer frequently experience changes in orgasm. Up to 19% of patients report orgasm-associated pain after a radical prostatectomy, often described as a referred pain at the tip of the penis. This happens because surgery disrupts the nerves and structures that once coordinated the process smoothly. Radiation therapy can cause similar issues, though generally at lower rates.
Beyond pain, between 33% and 77% of men after prostate surgery report that orgasm feels significantly different or diminished. These changes can improve over time as nerves heal, but for some men they persist long-term.
Less Common Causes
Ejaculatory duct obstruction occurs when small stones (calculi) or cysts block the ducts that carry semen from the prostate into the urethra. The blockage creates pressure during ejaculation that translates to pain, sometimes accompanied by reduced semen volume. This is typically identified through ultrasound imaging.
Urethral stricture, a narrowing of the urethra from scar tissue, can also force semen through a tighter opening and cause pain. Strictures usually develop after injury, infection, or medical procedures involving the urethra. In rare cases, tumors in the prostate or seminal vesicles can produce similar symptoms.
How the Cause Is Identified
A doctor will typically start with a detailed history: when the pain started, where exactly you feel it, whether it happens every time, and whether you have any other urinary or sexual symptoms. A physical exam often includes a digital rectal exam to check the prostate for swelling or tenderness.
From there, testing depends on what the history suggests. Urine tests and swabs check for infections and STIs. Imaging such as ultrasound can reveal blockages, cysts, or stones in the ejaculatory ducts. A PSA blood test may be ordered if there’s concern about prostate cancer, though painful ejaculation alone is rarely a cancer symptom.
Treatment Depends on the Cause
Because painful ejaculation is a symptom rather than a single disease, treatment targets whatever is driving it. Bacterial infections are treated with antibiotics, and the pain typically clears as the infection resolves. For an enlarged prostate or ejaculatory duct blockage, alpha-blockers (a type of medication that relaxes smooth muscle tissue) can reduce the pressure and ease discomfort during ejaculation.
Pelvic floor dysfunction responds well to pelvic floor physical therapy, which is not just Kegel exercises. In fact, if your pelvic floor is already too tight, standard Kegels can make things worse. A specialized therapist teaches you to relax and lengthen those muscles through targeted stretching, breathing techniques, and sometimes manual release of trigger points. Many men see meaningful improvement within a few months of consistent therapy.
When the cause is medication-related, working with your prescriber to adjust treatment usually resolves the problem. For post-surgical pain, recovery timelines vary widely, but nerve healing can continue for 12 to 24 months after prostate surgery, and symptoms often improve gradually over that window.