Erectile Dysfunction Treatment Online: What Actually Works in 2026

Erectile dysfunction is the most common sexual health condition in men — and one of the most undertreated. Roughly 30 million American men have ED, yet surveys suggest fewer than 25% are getting treatment.

The reason isn't lack of options. It's the conversation. Most men would rather quietly tolerate the problem than discuss it with their doctor face-to-face.

That's changed. Telehealth has made ED treatment as easy as ordering something from Amazon, with better privacy and often cheaper than in-person care.

What Causes Erectile Dysfunction

ED is primarily a vascular condition. An erection requires adequate blood flow to the penile tissue — when that mechanism is impaired, ED results.

Most common causes: - Cardiovascular risk factors — high blood pressure, high cholesterol, diabetes, smoking. These damage the blood vessels needed for erection, often years before other symptoms appear. (ED in a 40-year-old can be the first sign of cardiovascular disease worth investigating.) - Low testosterone — contributes to libido issues and can worsen ED, though rarely the sole cause - Psychological factors — performance anxiety, depression, relationship stress. These can co-exist with physical causes and often require separate attention. - Medications — antidepressants (SSRIs especially), beta-blockers, and several blood pressure medications commonly list ED as a side effect

The practical reality: In men under 50, a mix of vascular and psychological factors is most common. In men over 50, vascular factors dominate.

The Treatment Options — Ranked by Evidence

### PDE5 Inhibitors (First-Line Treatment)

These are the medications — sildenafil (Viagra), tadalafil (Cialis), vardenafil (Levitra), and avanafil (Stendra) — that work by relaxing smooth muscle and increasing blood flow to the penis in response to sexual stimulation.

Sildenafil (generic Viagra) - Onset: 30-60 min (faster on empty stomach) - Duration: 4-6 hours - Best for: On-demand use, price-sensitive patients - Generic cost: $8-15/pill at pharmacies, lower through telehealth - Key limitation: Sensitive to food timing and alcohol

Tadalafil (generic Cialis) - Onset: 30-45 min - Duration: 24-36 hours (can be taken the night before) - Best for: Spontaneity, daily use protocol, men with BPH - Daily low-dose (2.5-5mg): eliminates the "planning" problem entirely - Generic cost: $8-20/pill as-needed; $30-50/month daily - Widely preferred for its flexibility

Avanafil (Stendra) - Onset: 15-30 minutes — fastest of the class - Duration: 4-6 hours - Less generic availability, slightly higher cost - Best for: Men who want minimal lead time

Success rate: 65-85% of men with ED respond to PDE5 inhibitors. The 15-35% who don't respond often have severe vascular disease, nerve damage, or are taking nitrates (absolute contraindication).

### Testosterone Replacement (If Low T Confirmed)

If blood work shows testosterone below 300 ng/dL combined with ED symptoms, TRT is warranted — but manage expectations. TRT improves libido and energy reliably. Its effect on erections is more variable; most men still need a PDE5 inhibitor.

[Read the complete TRT guide here](/blog/what-is-testosterone-replacement-therapy)

### Vacuum Erection Devices

Mechanical devices that create vacuum to draw blood into penile tissue. Effective (works in ~75% of cases), drug-free, but the "mood killer" factor limits adherence. Better suited for post-prostatectomy rehabilitation.

### Penile Injections (Trimix)

Direct injection of vasodilating agents (typically a combination of alprostadil, phentolamine, and papaverine) into penile tissue. Works even when PDE5 inhibitors fail. Effective in 80-90% of cases including severe vascular ED. The barrier: most men are not willing to self-inject. But for men who are — it's extremely effective.

### Shockwave Therapy (ESWT)

Low-intensity shockwaves applied externally to improve vascular health in penile tissue. Promising for mild-to-moderate vasculogenic ED. Multiple clinical trials show benefit, though effect sizes are modest and durability is unclear at 24+ months. Not yet standard of care, but gaining traction.

### Surgery (Penile Implants)

Reserved for severe ED that has failed all other treatments. 95%+ satisfaction rates among patients who go this route — it's the last resort that actually works, and the satisfaction data is remarkably strong for a surgical intervention.

What Doesn't Work

To save you time and money:

• Supplements and "natural" ED cures — horny goat weed, L-arginine, maca, zinc. Some have modest supporting data (L-arginine for mild ED has limited evidence). None come close to PDE5 inhibitors for efficacy. Most are money-down-the-drain.
• Testosterone supplementation without confirmed low T — won't help and creates hormonal disruption
• "Roman" or "Hims" subscription without lifestyle work — the medication works, but if the underlying cause is vascular disease driven by poor metabolic health, you're treating the symptom without addressing the cause

Getting Treatment Online

The telehealth process is straightforward:

1. Consultation — brief async or video consultation, typically under 10 minutes
2. Medical review — physician reviews your health history, screens for contraindications (most important: nitrate medications, which cause dangerous blood pressure drops when combined with PDE5 inhibitors)
3. Prescription — sent directly to pharmacy or shipped to your door
4. Follow-up — most telehealth platforms include messaging access to adjust dose or switch medications

What you'll need to disclose: - Current medications (nitrates are the critical one — these include nitroglycerin, isosorbide, and some recreational drugs like "poppers") - Cardiovascular history - Blood pressure (it's fine if it's treated — PDE5 inhibitors are generally safe with managed hypertension) - Any history of vision or hearing loss (rare but real PDE5 inhibitor side effect)

Should You Get Blood Work First?

If you're over 40, yes — at minimum a testosterone panel and basic cardiovascular metabolic markers (lipids, glucose, blood pressure). ED in a man over 40 is sometimes the earliest warning sign of cardiovascular disease, and treating it without investigating the underlying cause is a missed opportunity.

If you're under 40 and the ED is clearly situational or anxiety-related, starting with medication while addressing the psychological component is reasonable.

The Bottom Line

ED is a medical condition with multiple effective treatments. The most effective first step for most men is a PDE5 inhibitor — generics are cheap, safe, and work for 70-80% of men. If that doesn't work, blood work and further investigation are warranted.

The hardest part for most men is starting the conversation. Telehealth removes that barrier.

[Start your consultation at Marrow](/start) — discreet, physician-reviewed, ships to your door.