Venous Leak: Understanding Veno-Occlusive Erectile Dysfunction

Medically reviewed by Dr. Baraa Alnahhal, MD · Last reviewed: October 2026

Venous leak, also called venogenic erectile dysfunction, occurs when the veins in the penis cannot hold or store enough blood to get or maintain an erection. [1] Arteries deliver blood to the erection tubes, but the blood leaks back out toward the heart too soon. It is common in people with conditions such as diabetes and high blood pressure. [1] Treatment ranges from oral medications and a vacuum device with a constriction band to a surgically placed penile implant. [1]

Quick Answer

Venous leak is a cause of erectile dysfunction in which the veins fail to trap blood in the erection chambers of the penis. It can have physical causes such as high blood pressure, diabetes, smoking or injury, or psychological causes such as performance anxiety. [1] It is diagnosed with tests including penile Doppler ultrasound and treated with medications, devices or surgery. [1]

What the research says

• Venous leak embolization is being studied for people who do not respond to pills. In a prospective registry of 175 patients with venous leak that did not respond to PDE-5 inhibitors, embolization was technically successful in 193 of 194 procedures, 82 of 138 patients (59.4%) improved by at least 4 points on the IIEF-15 score, and 18 patients (10.2%) had recurrence or persistence of the leak, with non-target pulmonary embolism in 3 patients (1.7%) (Hoppe et al., Cardiovascular and Interventional Radiology, 2026) [2].

• Shock wave therapy has uncertain benefit. A systematic review of 19 randomized trials found that low-intensity shockwave therapy improved erectile function scores at 1, 3 and 6 months, but most studies did not reach the minimally clinically important difference, so the authors concluded its clinical benefit remains unclear (You et al., The Journal of Sexual Medicine, 2026) [3].

• Inflatable penile implants are generally durable. A systematic review of 30 studies of three-component inflatable implants found removal rates that were generally below 10% and infection rates typically under 5%, although removal rates ranged from 0% to 52.9% across devices and studies (Lo Re et al., International Journal of Impotence Research, 2026) [4].

What Is Venous Leak?

To get a hard (rigid) erection, blood must fill the erection tubes of the penis and stay there. Arteries carry oxygen-rich blood to the penis, and veins take blood from the penis back to the heart. When you get an erection, the arteries expand and blood fills two tube-like erectile tissues (the corpora cavernosa) that run along the top of the penis. As the tissues swell, the penis becomes hard, and the swelling also compresses the veins, trapping the blood so you can maintain the erection. [1]

In a venous leak, the blood cannot remain in the erection tubes. It leaks out of the penis and back toward the heart, which prevents an erection that is hard enough for sexual intercourse. [1] Experts are not sure exactly how many people have erectile dysfunction because of venous leak, but it is common in males with certain medical conditions, including diabetes and high blood pressure. [1]

Healthcare providers may use other terms for venous leak, including venogenic erectile dysfunction, veno-occlusive insufficiency, corporal veno-occlusive dysfunction, penile venous insufficiency, poor storage and venous leakage. [1]

Types of Venous Leak

Type	Primary Cause	Examples
Organic	Conditions that affect blood storage in the erectile tissue during sexual stimulation, typically affecting the circulatory or nervous system	High blood pressure, diabetes, smoking or an injury [1]
Psychogenic	Conditions that affect thoughts, feelings or behaviors	Stress and anxiety ("performance anxiety") [1]

Recognizing the Symptoms

Common signs of venous leak include:

• Difficulty or inability to get an erection hard enough for sexual activity, including intercourse and masturbation

• Difficulty or inability to maintain an erection without constant manual stimulation

• Maintaining an erection only in certain sexual positions

• A soft glans: the tip of the penis stays soft during an erection [1]

• Difficulty getting spontaneous erections, including during sleep ("morning wood")

• Resistance to erectile dysfunction medications [1]

Venous leak does not cause physical pain, and it does not happen because you did something wrong. [1] It just happens sometimes because of underlying medical conditions. It can be embarrassing or frustrating, and it can help to be open with your sexual partner or partners and to explore other ways to be intimate.

Why Does Venous Leak Happen?

Possible causes include:

• High blood pressure

• Diabetes

• Tumors around the pelvis or perineum that affect how blood flows in the blood vessels

• Injury to the cavernous nerve that helps regulate an erection, which sometimes happens after radiation therapy or surgery for prostate cancer [1]

• Peyronie's disease

• Low testosterone

• Enlarged prostate (benign prostatic hyperplasia)

• Stress, anxiety and depression

• Certain prescription medications

• Addictive substances, including nicotine, alcohol and opioids [1]

Erectile dysfunction itself can lead to low self-esteem, low self-confidence, a decrease in sexual activity, relationship problems and infertility. [1]

How Is Venous Leak Diagnosed?

Your healthcare provider can diagnose venous leak and work out its cause. They will review your medical history, ask about your symptoms and perform a physical exam. To help confirm that a venous leak is responsible for erectile dysfunction, they may recommend:

• Blood tests to measure hormone and lipid levels

• A psychological exam with questions to help diagnose depression or anxiety

• Vasoactive injection and penile Doppler ultrasound: a drug makes the penis temporarily erect, and a noninvasive imaging test shows how blood flows in and out of the penis [1]

• Cavernosography: a small needle injects a dye into the corpora cavernosa, which is traced with an X-ray

• Cavernosometry: the pressure in the corpora cavernosa is measured [1]

How Is Venous Leak Treated?

Treatments may include:

• PDE-5 inhibitors: oral medicines such as sildenafil, tadalafil, vardenafil and avanafil that help increase blood flow to the penis. Depending on the medicine, you may take them daily or one to two hours before sexual activity [1]

• Penile injections: medicines such as alprostadil, or compounded combinations such as papaverine and phentolamine, injected into the base of the penis immediately before sexual activity to open blood vessels, increase blood flow and improve storage. They may start to work within 10 minutes [1]

• A vacuum erection device (penis pump) with a constriction band or ring: the device creates a vacuum that draws blood into the penis, and a band placed at the base helps maintain the erection. It works almost immediately and can sometimes maintain an erection for 15 to 20 minutes [1]

• A penile implant: a urologist places small inflatable cylinders into the erection tubes of the penis, allowing an erection whenever you wish for as long as you want, without pills, needles or other devices. Avoid sexual activity for at least six weeks afterward to allow healing [1]

Shock Wave Therapy and Other Emerging Options

The U.S. Food and Drug Administration has not approved low-intensity shock wave therapy (LiSWT) to treat venous leak. [1] LiSWT sends shock waves to the corpora cavernosa to stimulate blood flow and create new blood vessels, and initial studies suggest it may help mild venous leak, but you may need several sessions [1] and the overall evidence is limited. [3] Procedures that block the leaking veins, such as venous leak embolization, are also being studied. [2]

What Is the Best Treatment?

It depends. Certain treatments may work for some people but not others, depending on the severity of the leak. Your provider will ask about your goals, review each option and make a recommendation based on your specific condition, your preferences and your partner's preferences, and your overall health. [1]

When to See a Healthcare Provider

Talk to your healthcare provider if you are having problems getting or maintaining an erection. This can be the first sign of a serious medical condition [1], and a provider can help determine whether venous leak is the cause. You may want to ask:

• How will you determine that I have a venous leak?

• What is causing my venous leak?

• If I don't have a venous leak, what is causing my erectile dysfunction?

• What treatment do you recommend?

• Should I see a sex therapist?

• Should I see a urologist?

Seek emergency care for a prolonged erection. If you take medication for erectile dysfunction and have a painful erection that lasts more than a few hours, go to the nearest emergency room. This may be priapism, which can permanently damage the penis without prompt treatment. [1]

Outlook and Prevention

For many people with erectile dysfunction, it can be a permanent condition, but many treatment options can help you get and maintain an erection hard enough for sexual intercourse. [1] You may feel frustration, stress or anxiety, and it can affect your self-esteem, but there is nothing to be embarrassed about, and healthcare providers understand what you are going through.

You can help support erectile function by:

• Getting regular physical activity, such as walking or jogging

• Maintaining a weight that is healthy for you

• Quitting smoking

• Cutting back on or stopping drinking

• Lowering your cholesterol

• Maintaining normal blood pressure and treating any underlying medical conditions that may affect blood flow to the penis [1]

Conclusion

Venous leak is a vascular cause of erectile dysfunction in which the penis cannot store enough blood to keep an erection. It often has physical causes such as diabetes, high blood pressure and smoking, but psychological factors can play a role too. Because difficulty getting or keeping an erection can be an early sign of a serious medical condition, it is worth seeing a provider early. With the right diagnosis, treatments from medications and devices to implants can help restore sexual function and confidence.

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Frequently Asked Questions

Is venous leak the same as erectile dysfunction?

Venous leak is one cause of erectile dysfunction. In some types of ED too little blood gets into the penis, while in venous leak the blood cannot stay in the penis long enough to maintain a hard erection.

Is venous leak permanent?

For many people with erectile dysfunction it can be a permanent condition, but there are many treatment options that can help you get and maintain an erection hard enough for sexual intercourse.

Does smoking cause venous leak?

Smoking is listed as an example of a physical (organic) cause. Nicotine, alcohol and opioids can affect blood flow to the penis and contribute to venous leak.

Do pills work for venous leak?

PDE-5 inhibitors such as sildenafil and tadalafil help increase blood flow and are one treatment option. Resistance to these medications can be a sign of venous leak, so other treatments may be needed.

What is soft glans?

Soft glans means the tip of the penis stays soft during an erection. It is one of the common signs of venous leak.

Is a penile implant an option for venous leak?

Yes. A urologist places inflatable cylinders in the erection tubes of the penis, which allows an erection whenever you wish for as long as you want. Sexual activity should be avoided for at least six weeks afterward to allow healing.

Is venous leak painful?

No. Venous leak does not cause physical pain, although it can be embarrassing or frustrating. It does not happen because you did something wrong.

Can venous leak be prevented?

You can help support erectile function by being physically active, keeping a healthy weight, quitting smoking, cutting back on alcohol, lowering cholesterol, and maintaining normal blood pressure and treating underlying conditions.

When should I go to the emergency room?

If you take medication for erectile dysfunction and have a painful erection that lasts more than a few hours, go to the nearest emergency room. It may be priapism, which can permanently damage the penis without prompt treatment.

Should I see a urologist or a sex therapist?

Talk to your healthcare provider about both. A urologist can diagnose venous leak and recommend treatment, and a sex therapist can help with the emotional side of erectile dysfunction.

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References

1. Cleveland Clinic. Venous Leak. Cleveland Clinic. Last updated July 16, 2026. https://my.clevelandclinic.org/health/diseases/venous-leak

2. Hoppe H, Heymann G, Müller D, et al. Midterm Outcomes of Venous Leak Embolization in Patients with Venogenic Erectile Dysfunction Unresponsive to Phosphodiesterase-5 Inhibitors. Cardiovascular and Interventional Radiology. 2026;49(3):556-566. PMID 41162635. https://doi.org/10.1007/s00270-025-04246-w

3. You CH, Kang YN, Wen YC, et al. A close look at the evidence on low-intensity shockwave therapy in erectile dysfunction-a systematic review and meta-analysis of randomized controlled trials. The Journal of Sexual Medicine. 2026;23(4). PMID 41894473. https://doi.org/10.1093/jsxmed/qdag070

4. Lo Re M, Pezzoli M, Cocci A, et al. Removal rate and mechanical failure in penile prosthesis implantation: A systematic review. International Journal of Impotence Research. 2026;38(3):226-237. PMID 40940535. https://doi.org/10.1038/s41443-025-01165-9

Medical disclaimer

The information provided in this article is for educational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.