Short answer: Sometimes, and often in part. When erectile dysfunction (ED) is driven by factors that can change, such as excess weight, inactivity, smoking, a medication, stress or anxiety, or...
Short answer: Sometimes, and often in part. When erectile dysfunction (ED) is driven by factors that can change, such as excess weight, inactivity, smoking, a medication, stress or anxiety, or low testosterone, erections can improve and, for some men, return to normal. When nerve injury or advanced blood vessel disease is the main cause, ED is less likely to fully reverse, but it is still treatable. Leading urology guidelines recommend starting lifestyle changes before or alongside medical treatment, not instead of it [1][2]. A permanent "cure" is less common than improvement [3].
ED is the consistent or recurrent inability to get or keep an erection firm enough for sexual satisfaction. It affects up to an estimated 30 million men in the United States [1]. If you're dealing with it, one question usually sits behind all the others: is this permanent, or can it get better?
The honest answer depends on why it is happening. This guide covers which causes tend to be more reversible, what lifestyle changes and medical care can each do, how they fit together, and the safety points worth knowing before you start.
Reversed, Cured, or Managed: What the Words Mean
These terms are often used interchangeably, but they mean different things (cure and treatment points from StatPearls [3]):
- Reversed. The cause is addressed and erections improve or return, sometimes without ongoing treatment.
- Cured. A permanent fix, which is less common than the word suggests. Apart from psychotherapy for purely psychological ED, there is no single effective cure, so treatment centers on the cause and the best therapy for you.
- Managed. Erections are reliable with treatment, such as medication, devices, or injections. Almost every man with ED can be treated successfully with current therapies.
Which outcome is realistic depends on the cause, so the first job is figuring out what is behind it.
Why ED Happens
An erection depends on healthy blood flow, working nerves, adequate hormones, and a calm, engaged brain, and ED often has more than one cause. The most common mechanism is vascular, and ED shares risk factors with heart disease: age, smoking, diabetes, high blood pressure, abnormal cholesterol, depression, obesity, and inactivity [1].
ED can be an early signal. The American Urological Association (AUA) calls ED a risk marker for cardiovascular disease and other conditions, including undiagnosed diabetes, and notes it may precede a cardiovascular event by up to five years [1]. In a meta-analysis of 14 studies covering more than 90,000 men, those with ED had 44% more cardiovascular events, 62% more heart attacks, 39% more strokes, and a 25% higher risk of death [3]. A risk marker is not a diagnosis, but it is why persistent ED deserves a check-up, not only a prescription.
Which Causes Are Most (and Least) Likely to Improve
This is a general guide drawn from the AUA and European Association of Urology (EAU) guidelines [1][2]. Your own outlook depends on your health, history, and how long the problem has been present.
| Contributing factor | Likelihood of improvement | What tends to help |
|---|---|---|
| Excess weight, inactivity, smoking, diet | Often improves, usually gradually. To normal for some men. | Weight loss, exercise, diet changes, quitting smoking |
| Anxiety, stress, depression | Often improves | Counseling or sex therapy, treating depression, sometimes alongside medication |
| Medication side effects | Can improve when addressed | A provider's review of your medicines. Never stop them on your own. |
| Low testosterone | May improve when treated | Confirm with morning blood tests. Testosterone alone doesn't treat ED but can improve how well ED medication works. |
| Diabetes, high blood pressure, high cholesterol | Variable | Controlling the condition helps overall health. ED may persist and often needs added treatment. |
| Nerve injury (pelvic surgery, radiation, spinal cord injury) | Slow and often partial. After nerve-sparing prostate surgery, recovery commonly takes 12 to 24 months, sometimes up to 36 [1]. | Time, treatment, and psychological support |
| Severe artery or vein disease in the penis | Least likely to fully reverse | Other options, such as devices, injections, or surgery |
Other Contributors Worth Checking
Unless noted, these points come from StatPearls [3]:
- Medications. Prescription medicines are thought to cause roughly a quarter of ED cases, including most antidepressants (especially SSRIs), several blood pressure medicines (such as thiazide diuretics), cimetidine, and ketoconazole. ACE inhibitors and calcium channel blockers are least likely to cause ED, and alpha blockers can improve erectile function. Never stop a prescribed medicine on your own. Ask about a dose change or alternative.
- Alcohol, smoking, and recreational drugs. Heavy alcohol use is associated with higher ED risk, and stopping smoking, drugs, and alcohol is standard advice.
- Sleep apnea. A recognized cause. The evidence on CPAP is mixed: a systematic review found improved scores but less benefit than ED medication [4], and a randomized trial found no overall improvement, with benefit mainly in men who used CPAP consistently [5].
- Hormones. Up to 35% of men with ED also have low testosterone and about 6% have abnormal thyroid function, but vascular disease and diabetes are far more likely causes.
What Lifestyle Changes Can Realistically Do
The AUA recommends counseling men with ED that diet changes and more physical activity improve overall health and may improve erectile function. The evidence is lower-certainty, and the typical effect is small on average but meaningful for a subset of men. Smokers also have a higher ED risk, and the AUA advises counseling them about quitting [1]. The EAU strongly recommends starting lifestyle changes before, or at the same time as, ED treatment [2].
Here is what the research shows, including how long each study ran:
| Approach | Who and how long | What happened |
|---|---|---|
| Weight loss and more physical activity | 110 obese men aged 35 to 55 with ED and no diabetes, high blood pressure, or high cholesterol. 2 years. | 31% (17 of 55) of the lifestyle group regained normal erectile function by the study's definition, compared with 5% (3 of 55) of the comparison group [6] |
| Mediterranean-style diet | 65 men with metabolic syndrome. 2 years. | Average erectile function scores rose from 14.4 to 18.1, compared with 14.9 to 15.2 for the control diet. [1] |
| Aerobic exercise | Systematic review. Programs of about 40 minutes, 4 times a week (about 160 minutes weekly), for 6 months. | Reduced ED in men whose ED was linked to inactivity, obesity, high blood pressure, metabolic syndrome, or heart disease [7] |
| Quitting smoking | Smokers with ED. 1 year. | Erectile quality improved by about 25% [3] |
| Pelvic floor muscle training with biofeedback and lifestyle advice | 55 men who had ED for at least 6 months. 3 months of training plus a further 3 months. | At 6 months, 40% had normal erectile function, 34.5% had improved, and 25.5% had not improved [8] |
The pelvic floor trial was small, and its comparison group switched to the exercise program after 3 months, so the figures cover all participants [8]. Treat it as encouraging, not definitive.
If you have heart risk factors or aren't sure how much exercise is safe, get a cardiac evaluation before starting a new program, and consider supervised training [1][7].
If excess weight is a major factor and diet and activity changes alone haven't been enough, a provider can discuss medical weight management options.
What Medical Care Adds
Evaluation comes first
Guidelines call for a thorough history, a physical exam, and selected lab tests, and the EAU specifically lists glucose, lipid profile, and total testosterone to find reversible risk factors [1][2]. This is how undiagnosed diabetes, medication effects, or low testosterone get found. Diagnosing testosterone deficiency requires at least two morning measurements below 300 ng/dL along with symptoms [1].
Oral PDE5 inhibitors
PDE5 inhibitors (sildenafil, tadalafil, vardenafil, and avanafil) are the first-line medical treatment, with a strong recommendation from both the AUA and the EAU [1][2]. They help penile blood vessels relax and fill, and they work in men whose blood vessels are sufficiently intact. The details below come from the AUA guideline [1]:
- What the data show. On a 5-to-30 erectile function scale, scores improved by about 8 to 9 points on average with active medication, compared with about 2 points with placebo. The four medicines performed similarly, though data on avanafil are limited.
- Use matters. Sexual stimulation is required. Incorrect use, such as no stimulation or taking the medicine with a large meal, accounts for 56% to 81% of treatment failures, and 23.6% to 58.5% of those men succeeded after re-education. A high-fat meal can reduce the effect of sildenafil and vardenafil, but not tadalafil or avanafil.
- Dose and patience. More than one trial may be needed to know whether a medicine works. About 75% of trials lasted three months or less, so long-term data are limited.
When pills aren't enough
These next steps are described in the AUA, EAU, and StatPearls references [1][2][3]:
- Adjusting or switching the dose, schedule, or medicine. Up to 50% of initial treatment failures respond to a different PDE5 inhibitor.
- Treating low testosterone. In small, short trials of men with low testosterone, adding testosterone therapy improved erectile function scores by about 2.7 points more than a PDE5 inhibitor alone. It requires a cardiovascular risk assessment first, then testosterone and hematocrit checks at 3, 6, and 12 months and yearly [2].
- Other options: vacuum erection devices, urethral suppositories, injections, and penile implants.
- Treatments to approach with caution. The 2018 AUA guideline considers shockwave and stem cell therapy investigational and platelet-rich plasma experimental. Be wary of clinics that market them as cures.
Counseling
The AUA recommends considering a referral to a mental health professional to support treatment, reduce performance anxiety, and fit treatment into a sexual relationship, and the EAU recommends combining behavioral, cognitive, or couple therapy with medication [1][2].
Clues to a psychological component include sudden onset, ED only in certain situations, normal erections during masturbation or with a different partner, and good morning erections. They suggest it but don't prove it. When anxiety is the main driver, the AUA says dose reduction or weaning can be considered once the psychological issues have been treated and confidence has returned [1][3].
After prostate cancer treatment
Among men with normal function before treatment, about 85% can expect ED after radical prostatectomy, compared with about 25% after definitive radiation therapy [3]. After surgery, recovery depends heavily on whether the nerves were spared: in a meta-analysis with more than 12 months of follow-up, about 60% of men regained erectile function after bilateral nerve-sparing surgery, compared with 47% after unilateral nerve-sparing surgery. Few men return to baseline, particularly those over 60, and when nerves are not spared, natural recovery isn't expected, though treatments can still help [1]. Guidelines differ on whether to start treatment early, so ask your surgical team what they recommend [1][2].
How Lifestyle and Medical Care Work Together
The two are not competing options:
- Guidelines recommend combining them. The EAU strongly recommends starting lifestyle changes and risk factor modification before or at the same time as ED treatment, and the AUA adds that healthy habits support erectile function and increase the probability that treatments will work [1][2].
- They run on different clocks. Medication works with each dose, while lifestyle changes take months and target underlying vascular health [7]. In the research above, programs ran from 3 months to 2 years, and nerve recovery after prostate surgery commonly takes 12 to 24 months, sometimes up to 36.
- Evaluation and counseling fill the gaps. Checking blood pressure, glucose, cholesterol, and testosterone can reveal conditions that need their own treatment, and psychological support improves adherence [1].
The honest limit: the AUA notes there isn't yet enough high-quality evidence to say which intervention works best for which patient [1]. Address several factors together, give changes months, not weeks, and ask your provider how often to recheck using validated questionnaires.
Safety: What to Know Before You Treat ED
Medicines and medical conditions
The label cited here is sildenafil's [9]. Other PDE5 inhibitors carry similar class warnings, so read the label for yours. Guideline points come from the AUA [1].
- Nitrates are off-limits. Organic nitrates or nitrites in any form (such as nitroglycerin) are contraindicated with PDE5 inhibitors because of a dangerous drop in blood pressure, as is riociguat, a pulmonary hypertension medicine. If you carry nitroglycerin, don't take it within 24 hours of a PDE5 inhibitor, and possibly longer after tadalafil.
- Blood pressure medicines and alpha blockers can add to the blood-pressure-lowering effect. Use caution, and be stable on an alpha blocker before starting.
- Other medicines can interact, including some antidepressants, antifungals, and HIV medicines. Tell your provider about everything you take.
- Heart health. The sildenafil label says not to use it if sexual activity is inadvisable because of your cardiovascular status. Men with certain low-risk cardiac profiles can be treated without further testing, and those with other cardiovascular conditions need a cardiology consultation first. The absolute cardiac risk of sexual activity is small, particularly in men who are regularly active.
- Kidney and liver disease. Use caution, often with lower starting doses, in mild to moderate disease. PDE5 inhibitors are generally not recommended in severe disease.
- Dose limits. Sildenafil should not be taken more than once a day.
Get emergency help if you have
These warnings come from the sildenafil label [9]:
- An erection lasting more than 4 hours. It can permanently damage the penis.
- Sudden vision loss in one or both eyes, which can signal a rare condition called NAION. Stop the medicine and seek care. The absolute risk is very small, an estimated 3 extra cases per 100,000 men aged 50 or older [1].
- Sudden decrease or loss of hearing. Stop the medicine and seek prompt medical attention.
Common side effects include indigestion, headache, flushing, back pain, nasal congestion, muscle aches, and dizziness. Most are mild to moderate, and the lowest effective dose helps limit them [1].
Supplements and shortcuts
The FDA has repeatedly found sildenafil and tadalafil hidden in "male enhancement" products sold as supplements, often labeled "all natural." The undeclared drugs can interact with nitrates and lower blood pressure to dangerous levels, and people with diabetes, high blood pressure, high cholesterol, or heart disease often take nitrates [10]. StatPearls reports that one-third to one-half of such products tested contained PDE5 inhibitors [3]. With no label to warn you, these products carry real risk.
Some small studies suggest L-arginine may help mild to moderate ED, but the evidence is limited [3]. Talk to your provider before trying any supplement.
When to See a Provider
Book an evaluation if (based on AUA guidance [1]):
- ED is persistent or keeps coming back
- It started suddenly, or after an injury, surgery, or new medication
- You are younger and have ED, since it can be an early sign of cardiovascular risk
- You have diabetes, high blood pressure, or high cholesterol, or you smoke
- You notice a penile curve, lump, or pain, which can point to Peyronie's disease
- Your interest in sex has dropped, since ED treatment doesn't address low desire
- You take nitrates or have heart disease
Seek care right away for chest pain or shortness of breath at any time.
Frequently Asked Questions
Can ED be cured permanently, or go away on its own?
Sometimes, but "cured" is a high bar. ED from a single fixable cause, such as a medication, temporary stress, or anxiety, can resolve. When causes overlap, or nerves or blood vessels are damaged, ED is more likely to be managed than cured, though almost every man can be treated successfully. Persistent ED can signal heart or metabolic problems, so waiting it out isn't a plan [1][3].
How can I reverse ED naturally?
Start with the lifestyle changes that have research behind them: regular aerobic exercise, weight loss if you carry extra weight, a Mediterranean-style diet, and quitting smoking [1][3][6][7]. No supplement has been shown to reliably reverse ED, and some contain hidden drugs [3][10]. Because ED can signal other health problems, get evaluated too.
What is the fastest way to treat ED, and how long does reversing it take?
Medication is the fastest option, because its effect comes with each dose [1]. Reversing the underlying cause takes longer: in lifestyle studies, change was measured from a few months to 2 years later [1][6][7]. Think in months.
Can younger men reverse ED?
Often, particularly when lifestyle or psychological factors are involved. But ED in younger men can signal cardiovascular risk, so an evaluation matters even when the cause seems obvious [1][3].
Will I need ED medication forever?
It depends on the cause. When anxiety is the main driver, guidelines say dose reduction or weaning can be considered once confidence returns. When blood vessels, nerves, or hormones are involved, you and your provider decide over time using follow-up and questionnaires [1].
The Bottom Line
ED is often more changeable than it feels. When weight, inactivity, smoking, medications, stress, or low testosterone are involved, addressing them can bring real improvement. When nerves or blood vessels are the main issue, full reversal is less likely, but treatment still works for many men. The best results come from doing both: evaluate the cause, make lifestyle changes you can keep, and use medical treatment, with counseling if it fits.
If you want to take the first step, LifeRx.md offers an online sexual health consultation. You complete an intake about your symptoms and medical history, and a licensed provider in your state reviews it. If the provider determines treatment is appropriate, they recommend a plan that may include a prescription. A consultation doesn't guarantee a prescription, and the provider decides what is right for you. Learn more about LifeRx.md sexual health care, or read why ED is so common and how telehealth can help.
This article is for educational purposes and is not a substitute for medical advice, diagnosis, or treatment.
References
- Burnett AL, Nehra A, Breau RH, et al. Erectile Dysfunction: AUA Guideline. American Urological Association; approved April 2018. https://www.auanet.org/documents/guidelines/ed%20website%20final.pdf
- European Association of Urology Guidelines on Male Sexual and Reproductive Health: 2025 Update on Male Hypogonadism, Erectile Dysfunction, Premature Ejaculation, and Peyronie's Disease. European Urology. https://www.europeanurology.com/article/S0302-2838(25)00211-8/fulltext
- Leslie SW, Sooriyamoorthy T. Erectile Dysfunction. StatPearls. Updated January 9, 2024. https://www.ncbi.nlm.nih.gov/sites/books/NBK562253/
- Li Z, Fang Z, Xing N, Zhu S, Fan Y. The effect of CPAP and PDE5i on erectile function in men with obstructive sleep apnea and erectile dysfunction: a systematic review and meta-analysis. Sleep Medicine Reviews. 2019;48:101217. https://www.sciencedirect.com/science/article/abs/pii/S1087079219301856
- Randomized Trial of CPAP and Vardenafil on Erectile and Arterial Function in Men With Obstructive Sleep Apnea and Erectile Dysfunction. Journal of Clinical Endocrinology & Metabolism. 2018;103(4):1601. https://academic.oup.com/jcem/article/103/4/1601/4834040
- Esposito K, Giugliano F, Di Palo C, et al. Effect of lifestyle changes on erectile dysfunction in obese men: a randomized controlled trial. JAMA. 2004;291(24):2978-2984. https://pubmed.ncbi.nlm.nih.gov/15213209/
- Gerbild H, Larsen CM, Graugaard C, Areskoug Josefsson K. Physical Activity to Improve Erectile Function: A Systematic Review of Intervention Studies. Sexual Medicine. 2018;6(2):75-89. https://www.sciencedirect.com/science/article/pii/S2050116118300291
- Dorey G, Speakman MJ, Feneley RCL, Swinkels A, Dunn CDR. Randomised controlled trial of pelvic floor muscle exercises and manometric biofeedback for erectile dysfunction. British Journal of General Practice. 2004;54(508):819-825. https://bjgp.org/content/54/508/819
- VIAGRA (sildenafil citrate) tablet, film coated, drug label. DailyMed, National Library of Medicine. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=d905dc8d-917f-4ea3-a4ee-a1ecf6967d4e
- U.S. Food and Drug Administration. Public Notification: Hard AF! contains hidden drug ingredients (updated May 7, 2026). https://www.fda.gov/drugs/medication-health-fraud-notifications/public-notification-hard-af-contains-hidden-drug-ingredients