The long-term effects of COVID-19 continue to unfold, and new research highlights a concerning impact on men’s health—erectile dysfunction (ED). A recent study conducted in Japan has found that nearly 1 in 5 men who were hospitalised with COVID-19 developed ED up to two years after their infection. The findings suggest that ED could be a significant long-term symptom of COVID-19, strongly linked to mental health factors like anxiety, depression, and sleep disturbances. This post will explore the study’s findings, possible mechanisms behind the link between COVID-19 and ED, and available treatment options, including shockwave therapy.
The Study: Investigating Long-COVID and ED
The research, conducted as part of the COVID-19 Recovery Study II (CORES II) in Japan, examined 609 men who had been hospitalised with COVID-19 between March and September 2021. The study followed these individuals for one to two years post-infection, using questionnaires to assess their overall health and the development of new symptoms, including ED.
Key findings include:
- 19% of participants developed ED within two years after infection.
- ED was significantly associated with symptoms of anxiety, depression, and sleep disturbances.
- Those with ED reported lower overall well-being, increased fatigue, and breathlessness compared to those without ED.
- Surprisingly, COVID-19 severity, reinfection, and vaccination status did not show a clear correlation with the likelihood of developing ED.
- Symptoms of ED persisted for two years in nearly half of affected individuals, with many showing no signs of improvement.
These findings indicate that the impact of COVID-19 on sexual health may not be solely related to physical damage from the virus but also psychological and systemic factors associated with long-COVID.
How COVID-19 May Contribute to ED
ED is a complex condition influenced by a range of physical and psychological factors. The study suggests that multiple mechanisms may be responsible for post-COVID ED:
1. Vascular Damage and Inflammation
COVID-19 is known to cause vascular inflammation and damage to endothelial cells, which line the blood vessels. Healthy erectile function relies on proper blood flow, and any disruption to this process can result in ED. The inflammatory response triggered by the virus can lead to microvascular dysfunction, making it harder for blood to circulate efficiently.
2. Psychological Stress and Mental Health Impacts
The study found a strong link between ED and symptoms of anxiety, depression, and sleep disturbances. Psychological stress is a well-known contributor to ED, and the lingering effects of long-COVID—such as persistent fatigue, reduced quality of life, and mental distress—can exacerbate sexual dysfunction. Depression, in particular, has been shown to have a bidirectional relationship with ED, where one condition worsens the other.
3. Sleep Disturbances and Hormonal Changes
Poor sleep quality and sleep disorders, such as insomnia or sleep apnoea, are associated with an increased risk of ED. Sleep is crucial for maintaining healthy testosterone levels, and disruptions to the sleep cycle can lead to hormonal imbalances that affect sexual function. The study identified sleep disturbances as a key factor in post-COVID ED, reinforcing the idea that addressing sleep health may be essential in recovery.
4. Direct Impact on Testosterone and Reproductive Health
Some studies suggest that COVID-19 can affect testosterone levels, either through direct viral invasion of the testes or by triggering an inflammatory response that suppresses hormone production. Lower testosterone levels are linked to decreased libido and erectile difficulties, which may explain why some men continue to experience ED long after recovering from the acute phase of infection.
Why This Matters: Addressing Post-COVID ED
ED is more than just a sexual health issue—it can significantly impact self-esteem, mental well-being, and relationships. Many men may feel reluctant to seek help, assuming that their symptoms are temporary or unrelated to their previous COVID-19 infection. However, ignoring the issue can lead to further psychological distress and relationship difficulties.
The Japanese study highlights an important takeaway: mental health support is crucial for men experiencing ED as a long-COVID symptom. Addressing anxiety, depression, and sleep disturbances can play a vital role in improving erectile function.
Treatment Options for Post-COVID ED
Fortunately, there are multiple treatment options available for men experiencing ED after COVID-19. The best approach depends on the underlying cause, which can vary from vascular damage to psychological stress.
1. Shockwave Therapy: A Non-Invasive Solution
At ED Clinics, we offer shockwave therapy, a cutting-edge, non-invasive treatment that has shown promising results in restoring natural erectile function. Shockwave therapy works by:
- Stimulating new blood vessel growth (angiogenesis)
- Improving blood circulation to the penis
- Enhancing tissue regeneration and nerve function
- Potentially reversing microvascular damage caused by COVID-19
Shockwave therapy is particularly effective for men experiencing vascular-related ED. If your ED issues are caused by physical damage to the body related to long COVID, shockwave therapy may well be an effective treatment. If it is psychological, other options may be preferable.
2. Psychological Support and Therapy
Since ED is strongly linked to anxiety and depression, addressing mental health is crucial. Options include:
- Cognitive Behavioural Therapy (CBT) to manage stress and anxiety.
- Mindfulness and relaxation techniques to improve sleep and reduce psychological distress.
- Talking therapy or counselling to address concerns about sexual health and relationships.
3. Lifestyle Changes
Improving overall health can significantly impact ED recovery. Consider:
- Regular exercise to improve circulation and reduce stress.
- A healthy diet rich in antioxidants, which supports vascular health.
- Better sleep hygiene, including limiting screen time before bed and maintaining a consistent sleep schedule.
4. Medications and Other Medical Treatments
For some men, oral medications like sildenafil (Viagra) or tadalafil (Cialis) may be an effective short-term solution. However, these medications do not address the underlying causes of ED and may not be suitable for everyone. Consulting with a specialist can help determine the best approach.
Conclusion: Seeking Help for Post-COVID ED
The impact of COVID-19 extends beyond the respiratory system, affecting many aspects of men’s health—including sexual function. The Japanese study provides strong evidence that ED is a real and significant long-term consequence of COVID-19, affecting both mental and physical well-being.
The good news is that effective treatments are available. If you’re struggling with ED after COVID-19, you don’t have to suffer in silence. At ED Clinics, we specialise in non-invasive solutions like shockwave therapy that help men regain their confidence and sexual function.
If you’d like to explore treatment options, contact us today for a confidential consultation. Taking the first step towards recovery can make all the difference in your well-being and quality of life.
This blog is for informational purposes only and is not intended to diagnose, treat, or cure any condition, including erectile dysfunction.
Always consult a qualified healthcare professional before starting or changing any treatment. Individual results may vary. If you have concerns about ED, seek medical advice.
In case of a medical emergency, contact emergency services immediately.


