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What Causes Erectile Dysfunction in Younger Men?

Aug 02, 2026
What Causes Erectile Dysfunction in Younger Men?
If you’re having difficulty in the bedroom, you’re not alone — even if it seems too early to be dealing with these issues. Erectile dysfunction (ED) in young adulthood is more common than you might think. Here’s why it happens.

Older men aren’t the only ones who struggle with erectile dysfunction (ED). This condition, which affects your ability to achieve or maintain an erection, can happen at any age, even as early as your 20s or 30s.

Opening up about intimate issues may feel uncomfortable, but it’s the first step to reclaiming a healthy and satisfying sex life. At Pasadena Urological Medical Group, located in Pasadena, California, our team of specialists helps you navigate these issues in a discreet environment.

Studies suggest that ED may affect up to 26% of men under 40. Read on to explore the most common causes and find out how to take control of your sexual health.

Psychological stress and performance anxiety

Psychological factors often contribute to ED in younger men. Stress, worry, and low mood can interfere with arousal and disrupt the nerve signals that increase blood flow to the penis, making it more difficult to achieve and maintain an erection.

Occasional issues are normal during stressful periods and don’t necessarily indicate ED. But when stress becomes chronic or mental health conditions like depression or anxiety go unmanaged, the problem may occur more frequently. 

For some men, previous setbacks in the bedroom can create performance anxiety that increases the likelihood of erectile difficulty. 

Physical health issues and medications

Healthy circulation is necessary to produce a firm erection. Chronic conditions that affect the cardiovascular system, such as Type 2 diabetes, high blood pressure, and heart disease, can damage blood vessels and nerves in the body, including those that supply the penis.

Certain antidepressants and some hair loss medications can cause sexual side effects, including low libido and erectile difficulties. 

Talk to our team if you have concerns about how your current prescriptions affect your sexual function. Do not stop taking prescription medication without professional guidance.

Weight and lifestyle habits

Excess fat tissue increases inflammation and oxidative stress throughout the body. Over time, this can interfere with normal blood sugar regulation, blood vessel health, and hormone balance, increasing your risk of ED.

Smoking and heavy alcohol consumption can also affect your bedroom performance. Smoking damages blood vessels, while excessive alcohol can disrupt nerve function and testosterone production.

Studies show that weight loss and healthy lifestyle choices can lead to significant improvement in ED symptoms. 

Low testosterone

While less common in men under 40, low testosterone can still play a role in ED, especially when other health factors are involved. It may also cause symptoms such as low libido, fatigue, and a loss of muscle mass.

In many cases, lifestyle adjustments like losing weight, exercising more, improving your diet, and reducing stress can help jumpstart your natural testosterone production. 

If your levels remain low despite these changes, we may recommend hormone replacement therapy (HRT) to bring them back into a healthy range.

Ready to get back to a healthy sex life?

Your sexual health is an essential part of your overall wellness and quality of life. For expert guidance and personalized care, schedule an appointment with the team at Pasadena Urological Medical Group. Call our office in Pasadena, California, or book online today.