Erectile dysfunction (ED) is the ongoing inability to get or keep an erection firm enough for sexual activity. Occasional difficulty is common, but persistent problems deserve medical attention because ED can be linked to conditions such as diabetes, high blood pressure, heart and blood vessel disease, medication side effects, hormonal changes, or anxiety and depression.
The good news is that erectile dysfunction is often treatable. The right approach depends on the cause, the person’s general health, the medicines they take, and their preferences. Treatment may include lifestyle changes, counseling, prescription medication, devices, injections, or surgery.
What are the symptoms of erectile dysfunction?
ED is more than one unsuccessful sexual experience. Common symptoms include:
- Difficulty getting an erection when sexually aroused
- Difficulty keeping an erection long enough for sex
- Erections that are not firm enough for penetration or other desired sexual activity
- Getting an erection sometimes, but not consistently
- Reduced interest in sex, particularly when ED causes stress or loss of confidence
Changes in erections can happen with age, illness, stress, alcohol use, or fatigue. A recurring pattern, especially when it is worsening or affecting a relationship, is a reason to speak with a healthcare professional.
What causes erectile dysfunction?
An erection depends on coordinated signals from the brain, hormones, nerves, muscles and blood vessels. A problem in any of these systems can contribute to ED. In many cases, more than one factor is involved.
Physical causes
Conditions that affect blood flow, nerve function or hormone levels are common causes. These include:
- Diabetes
- High blood pressure or high cholesterol
- Heart and blood vessel disease
- Obesity and metabolic syndrome
- Chronic kidney disease
- Low testosterone or thyroid disorders
- Multiple sclerosis, Parkinson’s disease or spinal cord injuries
- Prostate treatment, pelvic surgery or other injuries
- Peyronie’s disease, which can cause a painful bend or lump in the penis
- Sleep disorders and poor sleep
ED can sometimes appear before other symptoms of cardiovascular disease. That does not mean every case signals a heart problem, but unexplained or persistent ED should not be dismissed as an inevitable part of aging.
Medications and substances
Some prescription and over-the-counter medicines can affect erections. Possible contributors include certain antidepressants, blood pressure medicines, diuretics, antihistamines, sedatives, opioid pain medicines and treatments that affect hormones.
Smoking, heavy alcohol use and recreational drugs can also interfere with blood flow, sexual arousal or nerve signals. Do not stop a prescribed medicine without speaking with the clinician who prescribed it. A different dose or alternative treatment may be possible.
Stress and mental health
Anxiety, depression, relationship conflict, low self-esteem and work or financial stress can cause or worsen ED. A physical problem can also create performance anxiety, producing a cycle in which concern about losing an erection makes it harder to maintain one.
Psychological factors do not make ED imaginary. They are real contributors that may need treatment alongside any physical cause.
How is erectile dysfunction diagnosed?
Diagnosis usually begins with a conversation about symptoms, medical history, sexual function, mental health, lifestyle and current medications. A physical examination may help identify circulation problems, hormonal signs or conditions affecting the penis.
Depending on the situation, a clinician may order blood or urine tests to look for diabetes, cardiovascular risk factors, low testosterone or other health problems. Some people may need additional testing or referral to a urologist or endocrinologist.
Before an appointment, it can help to write down:
- When the erection problems began
- Whether they occur every time or only in certain situations
- Any changes in sexual desire, ejaculation or orgasm
- All prescription drugs, supplements and recreational substances
- Recent stress, illness, surgery or relationship changes
What treatments are available for erectile dysfunction?
Treatment is usually directed at both the underlying cause and the erection problem itself.
Lifestyle changes
Regular physical activity, weight management, nutritious eating, better sleep, smoking cessation and reduced alcohol use can support sexual and cardiovascular health. Managing diabetes, blood pressure and cholesterol is also important.
Lifestyle changes may not solve every case, but they can improve overall health and make other treatments safer or more effective.
Prescription tablets
Phosphodiesterase type 5 inhibitors, commonly called PDE5 inhibitors, increase blood flow to the penis in response to sexual stimulation. They do not automatically create an erection and do not increase sexual desire.
These medicines include sildenafil, tadalafil, vardenafil and avanafil. They differ in timing, duration and side effects. Headache, flushing, nasal congestion, indigestion, backache and visual changes are possible.
They are not safe for everyone. In particular, PDE5 inhibitors must not be combined with nitrate medicines used for chest pain because the combination can cause a dangerous drop in blood pressure. People with certain heart conditions, very low blood pressure or other health risks need individual medical advice before using them.
Other medical treatments
If tablets are unsuitable or ineffective, a clinician may discuss injectable medicines, urethral suppositories or a vacuum erection device. A vacuum device draws blood into the penis and uses a ring to help maintain the erection.
Penile implants are a surgical option for some people whose ED has not improved with other treatments. Surgery carries risks, including infection, and is generally considered after less invasive approaches have been assessed.
Counseling and sex therapy
Counseling may help when anxiety, depression, trauma, performance concerns or relationship difficulties are contributing to ED. Involving a partner, when comfortable, can reduce misunderstandings and help both people adjust to treatment.
What should you avoid if you have ED?
Several common responses can make the problem worse or create new health risks.
- Do not buy unregulated “herbal Viagra” products. Some supplements marketed for sexual performance have contained undisclosed prescription ingredients or unsafe doses.
- Do not order ED medicine from an unverified website. Counterfeit or incorrectly dosed products can be dangerous.
- Do not combine ED tablets with nitrate medicines. Ask a healthcare professional or pharmacist about every medicine and supplement you use.
- Do not stop other prescription medicines on your own. A clinician can determine whether a medicine is contributing to ED and whether it can be changed safely.
- Do not rely on excessive alcohol or recreational drugs. These may impair arousal, circulation and judgment.
- Do not ignore persistent symptoms. ED may be a treatable sign of another health condition.
- Do not use a constriction ring longer than directed. Follow the device instructions and seek advice if there is pain, numbness or skin discoloration.
When is erectile dysfunction an emergency?
Seek immediate medical care for an erection that lasts more than four hours, especially if it is painful. This condition, called priapism, can permanently damage erectile tissue if it is not treated promptly.
Urgent medical advice is also appropriate after taking an ED medicine if there is sudden vision or hearing loss, severe chest pain, fainting or a serious allergic reaction.
Frequently Asked Questions
- Is erectile dysfunction a normal part of aging?Risk can increase with age, but ED is not something a person must simply accept. It may be related to a treatable health condition, medication, lifestyle factor or emotional concern.
- Can erectile dysfunction be cured?Some cases improve when the underlying cause is treated, such as uncontrolled diabetes, medication side effects or anxiety. Other cases require ongoing treatment to improve sexual function.
- Can stress cause erectile dysfunction?Yes. Stress and performance anxiety can interfere with arousal and make it difficult to maintain an erection. Physical and psychological causes often occur together.
- Does ED mean I have low testosterone?Not necessarily. Low testosterone can contribute to ED, but blood flow, nerve function, medications, mental health and other conditions are also common causes. Testing is needed before considering testosterone treatment.
- Are erectile dysfunction pills safe?They are safe for many people when prescribed appropriately, but they can interact with nitrates and may be unsuitable with some heart conditions or very low blood pressure. Medical guidance is important.
- Can lifestyle changes improve ED?Quitting smoking, exercising, reducing alcohol, managing weight and controlling conditions such as high blood pressure or diabetes may improve erections and general health.
- Should I see a doctor for occasional erection problems?One isolated episode is usually not a cause for alarm. Make an appointment if the problem is recurring, worsening, distressing or accompanied by other symptoms.
- What kind of doctor treats erectile dysfunction?A primary care clinician can begin the evaluation. Depending on the findings, you may be referred to a urologist, endocrinologist or mental health professional.
Erectile dysfunction is common, medically significant and often manageable. Persistent difficulty getting or keeping an erection should prompt a confidential conversation with a healthcare professional, particularly when it appears alongside diabetes, high blood pressure, heart symptoms, medication changes or emotional distress. Avoid unverified treatments, do not combine ED medicines with nitrates, and seek urgent care for an erection lasting more than four hours.