Erectile dysfunction in your 40s: what is actually causing it

Erectile dysfunction in your forties is common, and it is usually a symptom of something else rather than a straightforward consequence of getting older. In the Massachusetts Male Aging Study of men aged 40 to 70, the combined prevalence of minimal, moderate and complete erectile dysfunction was 52 percent; the study’s longitudinal arm put new cases at roughly 12 per 1,000 men a year in the forties group, rising each decade after. So: not unusual, and not something to wave away. The decade it tends to appear in is also the decade the causes worth finding do.

Why the forties are when it starts showing up

An erection is a blood-flow event that depends on the lining of the blood vessels — the endothelium — responding properly to a nitric-oxide signal. Most of what accumulates quietly through a man’s thirties and forties degrades exactly that: blood pressure creeping up, blood sugar drifting, cholesterol, weight, a decade of sitting. None of it announces itself. The vessels that supply the penis are narrower than the coronary arteries, so a degree of endothelial dysfunction too small to cause chest pain can be perfectly obvious in bed. That is why ED often arrives before anything else does, and why the AUA guideline on erectile dysfunction says men should be counseled that ED is a marker for underlying conditions that may warrant evaluation — more in our guide to ED and heart health.

The causes worth sorting through first

In this age group there is rarely one cause. The useful exercise is working out which of these are in play for you — several are fixable, and a couple are urgent.

• Vascular and metabolic. High blood pressure, high cholesterol, insulin resistance and type 2 diabetes all damage the endothelium, and ED alongside diabetes tends to arrive earlier and is more often the physical kind.
• Medications you are already taking. Several common classes list sexual side effects, among them some blood-pressure drugs and SSRIs — see antidepressants and ED and ED medication and blood pressure medication.
• Psychological and situational. Stress, a difficult year, a strained relationship, or the self-monitoring loop described in performance anxiety or ED. The classic tell is that morning and solo erections are intact while partnered ones are not.
• Sleep, alcohol and tobacco. Poor or fragmented sleep, untreated sleep apnea, heavy drinking and smoking all sit on the vascular side of the ledger; ED medication and alcohol covers the drinking question.
• Hormonal. The AUA guideline asks for a morning serum total testosterone in men with ED. If yours comes back low, that is a conversation for your own clinician, and a different one from this.

What an actual evaluation involves

Less than men expect. The AUA guideline on erectile dysfunction describes the workup as a thorough medical, sexual and psychosocial history, a physical examination, and selective laboratory testing, chosen for the man in front of you rather than run as a panel by reflex. In practice someone asks how it started — gradually over a year, or overnight after a specific event — whether it happens in every situation, what else you take, and what your blood pressure, glucose and lipids are doing. A sudden onset with intact morning erections points one way; a gradual decline in a man with a rising blood pressure points the other. That distinction is most of the diagnosis, and it costs nothing but an honest conversation.

What actually helps

Two tracks, and they are not alternatives. The first is the boring one that treats the cause: getting blood pressure and glucose properly controlled, regular cardiovascular exercise, stopping smoking, moderating alcohol, sleeping, and losing weight if there is weight to lose. The evidence for lifestyle change is genuine but slow: it works on the vascular problem rather than on tonight. The second track is the PDE5 inhibitors — sildenafil and tadalafil among them — which are the usual first-line prescription treatment and which work on the signal rather than the cause. Which one, at what strength, and whether either is safe alongside what you already take is a prescribing decision, not a shopping decision: PDE5 inhibitors must never be combined with nitrates, and they interact with several blood-pressure medicines.

Where StaveMD fits

Ignite by StaveMD is a compounded sublingual preparation with four actives — sildenafil, tadalafil, L-citrulline and apomorphine — taken under the tongue and filled by a licensed compounding pharmacy on a provider’s prescription. It is not FDA-approved as a finished product; it is one preparation a licensed provider may consider when they judge it appropriate for you, and it treats the signal rather than the causes listed above, which stay yours to work on. The private intake takes about three minutes and asks for your blood pressure history, your cardiac history and every medication you take — that is what the provider reviews before deciding. If it is not a fit, nothing is shipped and you are refunded in full. It is $129, one flat price with no membership fee, for adults 21 and over. Individual results vary.