Erectile dysfunction

Erectile dysfunction (ED) means having difficulty achieving or maintaining an erection adequate for sexual activity. It can involve physical and psychological contributors; the information here is general and intended to guide where to seek evaluation.

What is ED and who may be affected

ED can occur occasionally or become persistent. While incidence increases with age, younger people may also experience it. Underlying health conditions such as cardiovascular disease, diabetes, hormonal imbalances or neurological disorders can raise the likelihood, alongside lifestyle influences. A specialist assessment is required for a definitive diagnosis.

Possible causes and risk factors

No single cause fits all. Common contributors include reduced blood flow from vascular disease, nerve damage related to diabetes, hormonal issues (including low testosterone), neurological conditions, side effects from some medications, and psychological factors such as anxiety or depression. Smoking, heavy alcohol use, obesity and physical inactivity also increase risk.

Assessment and which specialists to consult

Initial evaluation often starts with a primary care clinician or a urologist. History-taking and a physical exam guide further testing, which may include blood tests and targeted investigations. Based on findings, referrals to endocrinology, cardiology or mental health professionals may be recommended to identify and address underlying contributors.

Lifestyle measures and urgent warning signs

Healthy lifestyle changes—regular exercise, balanced diet, smoking cessation, limiting alcohol, and weight management—can support sexual health, though individual needs vary. Symptoms that require urgent medical attention include a painful erection lasting longer than four hours (priapism), sudden chest pain, severe breathlessness, or other acute red-flag signs; in such cases seek emergency services.

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