Erectile Dysfunction (ED): A Brief Guide

What ED Means

Erectile Dysfunction (ED) refers to difficulty in getting or keeping an erection firm enough for sexual intercourse.
It’s fairly common, and its likelihood increases with age and in the presence of certain health conditions.

How Erections Normally Work

Nerves release signals (nitric oxide) when you’re aroused.
These signals relax smooth muscle and open blood flow to the penis.
The inflow of blood fills erectile tissue, and veins compress to trap it — maintaining rigidity.
After sexual activity or when stimulation stops, blood exits and the penis returns to a flaccid state.

In ED, one or more of these steps is impaired (nerve signaling, blood flow, muscle relaxation, venous trapping).

Common Causes & Risk Factors

Type	Examples / Contributors
Vascular / Blood Flow Issues	Atherosclerosis, high blood pressure, high cholesterol, diabetes
Neurological	Nerve damage, pelvic surgery, spinal injury, multiple sclerosis
Hormonal / Endocrine	Low testosterone, thyroid conditions
Medications / Substances	Some blood pressure meds, antidepressants, smoking, alcohol, recreational drugs
Psychological	Stress, anxiety, depression, performance pressure
Anatomical / Structural Issues	Peyronie’s disease (scar tissue), penile curvature, venous leak

Signs & Symptoms You May Notice

Difficulty getting an erection
Difficulty sustaining the erection during sexual activity
Loss of spontaneous erections (e.g. morning erections)
Decreased sexual desire
Emotional distress, reduced confidence, or relationship strain

Diagnosing ED

A healthcare provider will often:

Review your medical history, symptoms, and medications
Ask about sexual and psychological factors
Perform a physical exam (genitals, pulses, nerves)
Order lab tests — e.g. blood sugar, cholesterol, testosterone
Possibly do additional testing (ultrasound, nocturnal erection tests, etc.) to assess blood flow or nerve function

What You Can Do to Help Yourself

Address any underlying conditions: control diabetes, hypertension, high cholesterol
Maintain a healthy weight, exercise regularly, stop smoking
Limit alcohol, avoid illicit drugs
Manage stress, anxiety, or mood issues
Get adequate sleep— poor sleep can worsen hormonal and vascular health
Talk openly with your partner or a counselor
Ask your doctor whether medication side effects might be contributing

Treatment Options

Option	What It Does	Considerations
Oral medications (PDE5 inhibitors, e.g. sildenafil, tadalafil)	Improve blood flow by enhancing nitric oxide signaling	Works best when the nerves and vessels are still reasonably intact
Injected medications / intraurethral therapies	Directly stimulate erection via local agents	More invasive; may cause discomfort or priapism
Vacuum erection devices	Mechanical method to engorge penis	Can be effective though less spontaneous
Penile implants / prostheses	Surgically inserted devices that allow controllable erection	Higher cost / more invasive, but very effective in many cases
Shockwave therapy, stem cell / regenerative therapies	Emerging alternatives aiming to restore vascular function	Still considered experimental in many cases
Psychosexual therapy / counseling	Address anxiety, relationship or performance issues that contribute	Often used alongside physical treatments

When to Seek Medical Help

If you notice:

Sudden onset of ED
ED with other symptoms like chest pain, shortness of breath, or dizziness (could signal heart disease)
Painful erections or scarring / deformity of the penis
Signs of low testosterone (low libido, fatigue, muscle loss)
Medication side effects
Always ask your healthcare provider for specific advice on when to call to report symptoms, and when to seek urgent/emergency care.

Key Takeaways

ED is a symptom, not a disease — it often signals blood vessel, nerve, or hormonal issues
Many effective treatments exist; your doctor can help you find the best fit
Lifestyle, mindset, and partner communication can play significant roles
Early evaluation is better — waiting may allow underlying issues to worsen

Medical Disclaimer

This resource is provided for educational and informational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. The information presented is general in nature and may not apply to every individual or health situation.

Individuals should consult their physician or another qualified healthcare professional for personalized medical advice, diagnosis, or treatment recommendations related to their specific health conditions.

Do not ignore or delay seeking professional medical advice because of information contained in this resource.

Call 911 if you are experiencing a medical emergency.

This handout is for educational purposes only and is not a substitute for professional medical advice. Always follow your healthcare provider’s instructions.

This content was created with the assistance of AI. Any AI-generated content was reviewed by a Nurse Practitioner.