Understanding Erectile Dysfunction (ED) Treatment
Erectile dysfunction – and erections for that matter – are complex. When you get aroused, your brain sends signals to nerves in your penis to release neurotransmitters like nitric oxide, which helps relax the smooth muscle in the penis’ blood vessels. This allows blood to flow into two chambers and spongy tissue that run along the shaft so they expand.
This expansion compresses the veins to keep the blood in the penis so it stays hard. Anything that interferes with any part of this process can make it difficult to get or keep an erection. Poor vascular or metabolic health, health issues like heart disease, diabetes, hormone problems, and emotional or psychological issues can all cause it.
Conventional ED treatments, like sildenafil (Viagra), often focus on improving sexual function by temporarily relaxing smooth muscle in the blood vessels to improve blood flow while you’re aroused. They’re effective for many, but they don’t address the root cause. ED is complex and often caused by poor vascular or metabolic health, health issues like heart disease, diabetes, hormone problems, and emotional or psychological issues.
The best approach to treating ED is a whole-body approach that treats your symptoms and the root causes to improve your vascular, metabolic, and mental health for long-lasting results.
The Regenerative Medicine Approach
Regenerative medicine is about helping your body heal itself by repairing the blood vessels, nerves and other tissues involved in erections. Instead of just treating the symptoms, regenerative treatments like PRP injections, shockwave therapy, and stem cell therapy work by encouraging your body’s natural healing abilities to restore healthy function.
Regenerative treatments aren’t meant to replace conventional treatments and they don’t work for everyone. Though still a relatively new approach to treating ED, research has shown that regenerative therapy used in combination with conventional treatments have helped men with mild to moderate erectile dysfunction enjoy long-term improvement in sexual function (Quistini et al., 2026).
Treatments That May Help
There are numerous treatments that may help with erectile dysfunction and finding the right ones depend on the factors contributing to your ED.
Conventional treatments
There are several conventional treatments that are used to help the physical symptoms of erectile dysfunction.
Medications used before sex to increase blood flow for an erection include oral medications, like sildenafil (Viagra) and tadalafil (Cialis), and injectable medications like alprostadil (Caverject or Edex). These work by relaxing smooth muscles to improve blood flow in response to sexual arousal.
Vacuum-devices, which are also known as penis pumps, are also used to increase blood flow to the penis before having sex.
There are also surgical procedures that are sometimes used when other treatments fail, including penile implants. These include inflatable and non-inflatable implants that let you control when you have an erection and when you don’t. Inflatable implants use cylinders that fill with saline using a pump in your body. Non-inflatable implants use bendable silicone rods in your penis that you can move into position for sex.
Lifestyle changes
There’s extensive research supporting the foundational role of lifestyle modifications in erectile dysfunction treatment. Not only are most of the risk factors for erectile dysfunction modifiable with lifestyle changes, but these changes also lower the risk of chronic diseases, including those linked to ED. (Sansone & Serefoglu, 2026).
Adopting the following healthy changes can improve your vascular function and metabolic health by lowering inflammation in the body, boosting circulation, and regulating blood sugar, as well as improving testosterone levels:
Quitting smoking
Limiting alcohol
Avoiding illicit or recreational drugs
Staying active and getting more exercise
Stress reduction and relaxation
Getting enough quality sleep
Eating a healthy, balanced diet
L-arginine supplementation
L-arginine is a supplement often used to treat mild to moderate erectile dysfunction because it promotes the production of nitric oxide.
To support this, a 2019 review of 10 randomized controlled trials involving 540 patients with ED found that arginine supplementation not only significantly improved erectile dysfunction compared to placebo, but also erectile function, intercourse satisfaction, and orgasmic function (Rhim et al., 2019).
Shockwave therapy
Shockwave therapy is a regenerative treatment for erectile dysfunction that uses pulses of soundwaves to trigger the growth of new blood vessels and improve blood flow. While the technology isn’t news, using it to treat ED is still considered investigational in the U.S. pending more high-quality studies.
Even so, much of the research so far shows it’s safe and effective (Desai et al., 2025), especially for men with mild to moderate vascular ED or those who don’t respond to medications like Viagra (Leslie & Sooriyamoorthy, 2024). It may also provide longer-lasting results than traditional treatments.
A 2026 meta-analysis found that patients who received shockwave therapy reported firmer erections and improved function with no adverse effects (Afdal et al., 2026). In 2021, 40 percent of 425 participants with vascular ED saw treatment success for up to 30 months after shockwave treatment (Adeldaeim et al., 2021).
PRP therapy
Platelet-rich plasma (PRP) therapy is another regenerative treatment for ED that’s still considered investigational but is widely used to treat ED. It involves injecting your own concentrated blood into your penis to help stimulate tissue regeneration and increase blood flow.
A 2025 meta-analysis showed PRP therapy significantly improved erectile function compared to placebo and was even more effective when combined with shockwave therapy. Side effects were rare (Falcone et al., 2026).
In another 2025 study, 35 patients with mild-to-moderate and moderate ED enjoyed improved erectile function for two years after PRP maintenance injections, with no serious side effects (Shaher et al., 2025).
There’s good evidence that PRP therapy may be safe and effective for ED, but more research is needed to understand its long-term effects and to establish clinical guidelines.
Stem cell therapy
Stem cell therapy for erectile dysfunction is a regenerative treatment that involves injecting stem cells taken from your body into the corpus cavernosum, which are the two chambers that run along the length of your penis and fill with blood to create an erection.
Stem cell therapy is believed to promote the repair of the blood vessels, nerves, and other tissues in the penis, but more human studies are needed to confirm its effectiveness as an ED treatment. That said, some research has been promising.
A 2025 meta-analysis found that intercavernosal stem cell therapy improved sexual function, increased satisfaction, led to firmer erections, and improved blood flow confirmed by ultrasound 6 months after treatment. Although results show that stem cell therapy may be a safe and effective treatment for ED, researchers pointed out the need for larger studies (Senel et al., 2025).
What the Evidence Supports
Evidence shows that treating the underlying cause is the best approach to ED treatment. The NIH and other government health organizations recommend a combination of treatments beginning with lifestyle factors aimed at improving metabolic and vascular health.
ED can be improved or prevented through a combination of healthy lifestyle modifications, including exercise, weight management, and nutrition. Diets that prioritize fruits and vegetables, legumes, and sources of long-chain (n-3) fats, such as nuts and fatty fish, can prevent or improve ED and related diseases by improving vascular health and blood flow and lowering inflammation (Bauer et al., 2020).
A 2004 landmark randomized controlled study showed that a diet-and-exercise program improved erectile function in 31 percent of obese men over 2 years, without the use of other ED treatments (Esposito et al., 2004).
Ongoing research on regenerative treatments for ED continues to show promising results, with shockwave therapy and PRP injections becoming more widely available.
Where the Evidence Is Limited
Some treatments, like stem cell therapy, are still in the investigative phase and don’t have enough high-quality research available yet. Further research is needed to determine their long-term safety.
While generally safe when used under the supervision of a doctor, they’re not proven to work for everyone and all treatments come with side effects.
It’s important to talk with a healthcare provider before trying these therapies, as the science is still catching up.
Combining Treatments
Combining treatments to address the underlying cause and contributing factors, including lifestyle and psychological factors, is best. This often involves combining conventional treatments, nutrition, counselling, and complementary treatments that support your whole body’s health.
No two people are the same, so an individualized approach is key when treating erectile dysfunction.
Finding the Right Provider
It’s important to choose a knowledgeable provider that believes in treating the cause and not only the symptoms. Ideally, this should be a healthcare provider who stays on top of the latest research and has experience in conventional and regenerative treatments.
Credentials and experience are important, so you’ll want to do your homework and ask about their training and experience. Equally important is finding a provider who you’re comfortable with. This should be someone who will listen to your concerns, explain your options clearly, and work with you to come up with a plan that fits your health needs and goals.
Takeaway
Erectile dysfunction is more than just a mechanical issue and is often linked to your blood vessels and metabolism. Fortunately, there are several treatments available that can help.
A satisfying sex life is an important part of your overall health and happiness. Speaking to a doctor is the first step toward finding the right treatment and enjoying the healthy, satisfying life you deserve.
