Difficulty ejaculating, even when you’re aroused and want to finish, is more common than most people realize. The condition is called delayed ejaculation, and it can range from taking much longer than usual (typically beyond 25 to 30 minutes of stimulation) to being completely unable to ejaculate during sex. It has physical, psychological, and medication-related causes, and most of them are treatable once identified.
How Common This Is
Delayed ejaculation is the least-studied major sexual dysfunction in men, but it’s not rare. For a clinical diagnosis, the difficulty needs to be present in at least 75% of sexual encounters over a period of six months or more, and it needs to bother you. But many men experience it situationally, where it happens in some contexts (like with a partner) but not others (like during masturbation). That pattern itself is an important clue about what’s going on.
Some men have dealt with this their entire lives, which is considered “lifelong” delayed ejaculation. Others develop it after years of normal function, which is “acquired.” The distinction matters because lifelong cases are more likely to have a neurological or anatomical component, while acquired cases often point to a medication, hormonal shift, or psychological change.
Medications Are the Most Common Cause
If you started having trouble ejaculating after beginning a new medication, that’s the first thing to investigate. Antidepressants that affect serotonin are the biggest culprits. SSRIs like paroxetine (Paxil), sertraline (Zoloft), fluoxetine (Prozac), citalopram (Celexa), and escitalopram (Lexapro) all carry significant risk of sexual side effects, including delayed or blocked ejaculation. Paroxetine has the highest risk of any SSRI.
SNRIs like venlafaxine (Effexor) cause similar problems. Older antidepressant classes, including tricyclics and MAOIs, can too, with clomipramine and phenelzine being the worst offenders in their respective categories. Beyond antidepressants, blood pressure medications, antipsychotics, opioid painkillers, and certain prostate drugs can all interfere with ejaculation.
If a medication is the cause, your doctor may be able to adjust the dose, switch you to an antidepressant with a lower risk of sexual side effects, or add a second medication to counteract the effect. Bupropion (Wellbutrin), for instance, is sometimes prescribed alongside an SSRI specifically because it has a much lower rate of sexual side effects and can offset the problem.
Hormonal Imbalances
Two hormones play an outsized role in ejaculation: testosterone and prolactin. Low testosterone reduces nerve sensitivity in the penis, making it harder to reach the threshold for orgasm and ejaculation. It’s also associated with lower sex drive, fatigue, and difficulty maintaining erections, so if you’re experiencing a cluster of those symptoms, a blood test is worth requesting.
High prolactin is the other hormonal red flag. Prolactin is produced by the pituitary gland, and elevated levels can directly block ejaculation. In some cases, a small noncancerous tumor on the pituitary gland (called a prolactinoma) is responsible for overproducing the hormone. This is treatable with medication that lowers prolactin levels, or occasionally with surgery. A simple blood test can check both testosterone and prolactin.
Psychological and Behavioral Factors
If you can ejaculate during masturbation but not with a partner, the cause is very likely psychological, behavioral, or both. Performance anxiety is one of the most common contributors. Worrying about taking too long, not pleasing your partner, or not being “normal” creates a feedback loop: the anxiety itself makes ejaculation harder, which creates more anxiety.
Relationship stress, body image concerns, depression, low self-esteem, and general life stress (financial pressure, work problems, family conflict) can all interfere. These aren’t minor factors. The American Urological Association recommends that any evaluation for ejaculation problems take mental health and relationship dynamics into account alongside physical causes.
Masturbation habits also matter significantly. Men who masturbate with a very firm grip, high speed, or specific technique that can’t be replicated during partnered sex sometimes condition their body to respond only to that type of stimulation. This is sometimes called “idiosyncratic masturbatory style” in clinical settings. The fix involves gradually retraining how you masturbate, using a lighter grip and varied technique, so your body can respond to a broader range of stimulation. Frequent pornography use can contribute to a similar desensitization, where the level of novelty or intensity during real-world sex doesn’t match what the brain has adapted to.
Physical and Neurological Causes
Nerve damage is another possibility, particularly in men who’ve had prostate surgery, pelvic surgery, or a spinal cord injury. Diabetes can damage the small nerves involved in ejaculation over time. Multiple sclerosis and other neurological conditions can also interfere with the signaling pathway between the brain, spinal cord, and pelvic region.
Aging plays a role too. As men get older, nerve sensitivity in the penis gradually decreases, and it takes more stimulation to reach orgasm. This is a normal physiological change, but when combined with other factors (a new medication, lower testosterone, relationship stress), it can tip the balance into real difficulty.
Heavy alcohol use and recreational drug use are worth mentioning as well. Alcohol is a central nervous system depressant that directly impairs the ejaculatory reflex, and chronic heavy drinking can cause lasting nerve damage.
What Treatment Looks Like
Treatment depends entirely on the cause. If a medication is responsible, your doctor will explore alternatives or dose adjustments. If hormones are off, correcting the imbalance often resolves the problem. If the cause is psychological, sex therapy or cognitive behavioral therapy can be highly effective, especially for performance anxiety and relationship-driven issues.
There is currently no FDA-approved medication specifically for delayed ejaculation. However, several drugs are used off-label when other approaches haven’t worked. These target different parts of the problem depending on the underlying cause: some address hormonal imbalances, others work on neurotransmitter pathways involved in orgasm. The evidence behind most of them is limited, and treatment is often a process of trial and adjustment.
For men whose difficulty is linked to masturbation habits, structured behavioral changes, sometimes called “masturbatory retraining,” are the most straightforward path. This typically involves reducing masturbation frequency, using lighter pressure, and gradually bridging the gap between solo and partnered stimulation. Many men see improvement within a few weeks to a couple of months.
The most important first step is figuring out whether the problem is situational (only during partnered sex, only with a specific partner, only in certain positions) or generalized (happening across all contexts including masturbation). That distinction narrows the cause significantly and points toward the right solution.