Two things are true and people usually only hear one. It’s extremely common, at every age, and a single occurrence means nothing. And new persistent erectile difficulty is a medical symptom that warrants a proper assessment rather than an assumption.
Why the medical check matters more than people realise
Erections are a vascular event. The arteries involved are small, and they’re frequently affected by atherosclerosis before the larger cardiac vessels are.
Which means erectile difficulty is, in a meaningful proportion of cases, an early indicator of cardiovascular disease — appearing years before any cardiac symptom. It’s one of the more useful early warnings in medicine and it’s routinely treated as embarrassing rather than as information.
A reasonable workup: cardiovascular risk assessment, blood pressure, lipids, glucose or HbA1c, testosterone, and a review of medications.
The other physical causes
Diabetes, which is a leading cause. Low testosterone. Medication — antidepressants, blood pressure medication, finasteride, and others. Alcohol, in the short and long term. Smoking. Sleep apnoea. Prostate surgery. Neurological conditions.
The distinguishing question
Do you get erections at other times — on waking, alone, with a different kind of stimulation?
If yes, the machinery works, which points toward the psychological loop rather than a primary physical cause. If no, in any circumstances, that points toward something physical and makes the medical assessment more urgent.
Both can be true. A physical cause frequently starts something, and the anxiety loop then outlives the treatment of it.
The loop
It happens once — tiredness, alcohol, a distracting day. Entirely ordinary.
Next time you’re watching for it. Attention moves from sensation to monitoring, anxiety rises, and anxiety is physiologically incompatible with the parasympathetic state an erection requires. So it does not happen, and now there’s evidence.
This is the spectatoring loop and it’s the most common maintaining factor by a distance.
What helps
Take the outcome off the table. Agree explicitly, for a period, that intercourse isn’t happening. With nothing to fail at, the anxiety has nothing to attach to — and erections frequently reappear during exactly this arrangement, which is the point.
Attention to sensation rather than to state. Repeatedly, as a practice.
Tell your partner what is happening. Partners almost universally interpret it as disinterest or as being about them, and that misreading adds pressure to an already pressured situation.
Medication, sensibly. PDE5 inhibitors work well for most people and there’s nothing inferior about using them. One caution: taken every time in the context of an anxiety loop, they can become a safety behaviour — the occasion succeeds and the credit goes to the tablet. Many clinicians use them to break a cycle and then taper.
And address the alcohol, which is the most common single contributor and the most reversible.
Where to take it
A doctor first, always, for new persistent difficulty. Then, for the loop, a sex therapist or a clinician who works with this — and couples work if the relationship has organised itself around it, which after a few months it usually has.