Condition
Erectile dysfunction (ED)
Also known as: ED, impotence, erectile difficulty
Erectile dysfunction is difficulty getting or keeping an erection firm enough for satisfying sex. It is common, often treatable, and can be an early sign of heart or metabolic health problems.
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- Urology Hospitals Editorial Team
- Last updated
Independent clinical review pending. This page is written by our editorial team from the cited authoritative sources and has not yet been checked by an independent qualified clinician. Always discuss your situation with your own healthcare professional.
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Overview
Occasional difficulty with erections is common and not usually a concern. ED refers to a persistent pattern that affects sexual activity or wellbeing. Because erections depend on blood flow, nerves, hormones, and psychological factors, ED can have several contributing causes at once.
Common causes and risk factors
Contributors include cardiovascular disease, diabetes, high blood pressure, obesity, smoking, some medicines, hormonal issues, nerve or pelvic conditions, and psychological factors such as stress, anxiety, or relationship difficulties. Because ED shares risk factors with heart disease, a new diagnosis can be a useful prompt to review overall health.
When to seek medical care
Speak with a clinician if ED is persistent, is affecting your wellbeing or relationship, or comes with other symptoms such as chest pain on exertion. It is worth assessing rather than assuming it is untreatable.
How it is assessed
Assessment usually involves a history (including medicines and lifestyle), a physical examination, and sometimes blood tests to check for diabetes, cholesterol, or hormone levels. The aim is to identify treatable contributors, not just the symptom.
Treatment options
Options depend on the cause and may include addressing lifestyle and cardiovascular risk factors, reviewing medicines, psychological support, oral medicines, and other treatments discussed with a clinician. Do not buy prescription medicines from unverified sources.
Questions to ask a clinician
Related topics
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Sources
Erectile Dysfunction(opens in a new tab)
National Institute of Diabetes and Digestive and Kidney Diseases · Accessed Jul 19, 2026