ED in Your 20s and 30s

In men under 40, psychological and relational factors are the leading contributors by a wide margin. Performance anxiety in particular is close to universal once a first failure has happened — see how that cycle establishes itself.

But 'you're young, it's stress' is a conclusion, not an assessment, and it is reached without evidence far too often. Type 2 diabetes is being diagnosed at younger ages. Anabolic steroid use is common and under-reported. And research consistently finds that ED in a young man carries a higher relative cardiovascular risk than the same symptom in an older man, precisely because it is so unusual for the age group.

Performance anxiety

The most common single factor. One bad night, meaning attached to it, self-monitoring during sex, sympathetic activation, repeat. New relationships and first encounters are the classic trigger.

Anabolic steroids and SARMs

Suppress the body's own testosterone production, sometimes for many months after stopping. Be honest with your clinician about this — it changes the entire workup and treatment plan, and there is no judgement worth protecting yourself from here.

Finasteride for hair loss

Sexual side effects are documented in the labelling and affect a minority of users. If your ED began within months of starting it, say so. See medications that cause ED.

SSRIs and other antidepressants

Very common in this age group and a frequent contributor. Never stop them on your own — alternatives with lower sexual side-effect burden exist.

Alcohol, cannabis and stimulants

All impair erections through different mechanisms. Heavy or regular use matters more than occasional.

Sleep deprivation and shift work

Testosterone is produced largely during sleep. Chronically short or fragmented sleep measurably lowers it.

Obesity and early metabolic syndrome

Increasingly present by the thirties, and it acts through several mechanisms at once. See obesity and ED.

Congenital venous leak

Uncommon, but a recognised cause of lifelong difficulty maintaining erections in otherwise healthy young men. Diagnosed with penile duplex ultrasound.

Arousal conditioning

A contested area with genuinely mixed evidence. Some men with heavy pornography use report improvement after changing habits — see pornography and ED.

1. 1Establish the pattern. Do you get morning erections? Are you fine alone but not with a partner? Track it for two weeks.
2. 2Get the basic workup done so nothing is missed, and so you can stop wondering.
3. 3Be completely honest about steroids, recreational drugs, finasteride and supplements. Omitting these wastes everyone's time, including yours.
4. 4Address the anxiety directly. Sex therapy or CBT has good evidence and works faster than waiting it out.
5. 5Consider a short course of medication to break the cycle of failure. Several reliable successes contradict the belief driving the anxiety, and many men taper off afterwards.
6. 6Fix sleep, alcohol and exercise — the three highest-yield changes at this age, and the ones with the largest effect on testosterone.
7. 7Talk to your partner. They are almost certainly drawing a worse conclusion than the truth — see talking to your partner.