Erectile Dysfunction: Symptoms and Causes

Erectile Dysfunction Symptoms

Erectile dysfunction (ED) is the inability to achieve full or partial erection that has the necessary rigidity and duration for intercourse. Here are the common symptoms:

Primary Symptoms:

• Some of the signs include; inability to have or maintain an erection when sexually stimulated.
• Erectile dysfunction defined as the inability of obtaining or maintaining a firm enough erection for sexual intercourse.
• Reduced sexual desire or libido.

Additional Signs:

• Sexual fears may be defined as nervousness or tension that people develop when they engage in sexual activities.
• One of the factors that cause conflict in families is intimacy problems or sexual dissatisfaction in marriage.
• Low self-confidence or self-esteem.
• Premature or delayed ejaculation (sometimes associated).

What causes erectile dysfunction?

Impotence can have physical causes, such as diseases of the blood vessels and nerves, as well as psychological causes or a combination of both. Here's a breakdown of the erectile dysfunction causes:

Physical causes (most common in older men):

• Heart disease (poor blood flow to the penis)
• High blood pressure
• Diabetes (damages blood vessels and nerves)
• High cholesterol
• Obesity
• Hormonal imbalances (low testosterone, thyroid disorders)
• Neurological disorders (e.g., Parkinson’s, multiple sclerosis)
• Peyronie’s disease (scar tissue in the penis)
• Chronic kidney or liver disease
• Substance abuse (alcohol, tobacco, drugs)
• Side effects of medications (e.g., antidepressants, blood pressure drugs)

Psychological causes (more common in younger men):

• Anxiety, especially performance anxiety
• Depression
• Stress (work, relationships, life events)
• Relationship problems
• Past trauma or abuse

Lifestyle Factors:

• Sedentary lifestyle
• Poor diet
• Lack of sleep
• Overuse of pornography
• Smoking and excessive alcohol

Erectile Dysfunction Treatment

There are general ways of treating erectile dysfunction depending on which type you are suffering from; physical, psychological, or a combination of both. Here’s a comprehensive list of treatment options:

Lifestyle Changes (First-line for most cases)

These improve overall health and may reverse or reduce ED:

• Quit smoking
• Limit alcohol
• Exercise regularly (especially cardio)
• Eat a heart-healthy diet (low in sugar and processed fats)
• Lose excess weight
• Sleep 7–8 hours nightly
• Manage stress through yoga, meditation, or therapy

Oral Medications (PDE5 inhibitors)

Usually the first medical treatment offered:

• Sildenafil (Viagra): Lasts ~4–6 hrs, take 30–60 mins before
• Tadalafil (Cialis): Lasts up to 36 hrs, daily or as needed
• Vardenafil (Levitra): Similar to sildenafil
• Avanafil (Stendra): Fast-acting, fewer side effects

Counselling or Sex Therapy

• Especially if anxiety, depression or there are issues within a relationship or if feels a lot of pressure to perform.
• Can be individual or with a partner.

Hormone Therapy

If low testosterone is diagnosed:

• Testosterone replacement therapy (gel, injections, patches)
• Should be supervised due to potential risks (e.g., heart or prostate issues)

Devices

• Vacuum erection devices (pumps): Draw blood into the penis through creation of suction.
• Penile constriction rings: Use to sustain erection after applying pump.

Erectile Dysfunction Surgery

Used when other treatments fail:

• Penile implants: Pliable tubes or part tubes which are inserted inside the penis.
• Vascular surgery: For patients who have had angioplasty to remove blockage from arteries (rare).

Alternative Therapies (with caution)

• Acupuncture: Some studies have shown a positive effect with moderate improvements whereas some have demonstrated no significant change which can be useful in patients suffering from stress-induced erectile dysfunction.
• Herbal supplements (e.g., ginseng, L-arginine): Some mild erectile dysfunction may be helped by use of the device; however, quality and safety of the device must be questioned.

Erectile Dysfunction Diagnosis

Erectile dysfunction (ED) can be diagnosed by medical history review, physical examination as well as lab or imaging tests to find an originating source. Here’s what the diagnosis process usually looks like:

Medical History

Your doctor will ask questions about:

• How long you’ve had symptoms
• Frequency and severity of ED
• Whether you wake up with erections (helps distinguish physical vs psychological ED)
• Current medications
• Chronic illnesses (e.g., diabetes, high blood pressure)
• Lifestyle factors (alcohol, smoking, stress)
• Relationship or psychological issues

Physical Examination

• Checks for signs of hormonal issues (e.g., small testicles, hair loss)
• Penis and testicle exam for structural abnormalities
• Blood pressure and heart health assessment
• Neurological reflexes (to check for nerve damage)

Blood and Urine Tests

To identify underlying conditions such as:

• Diabetes
• High cholesterol
• Low testosterone or other hormone imbalances
• Kidney or liver function issues
• Thyroid disorders

Psychological Evaluation

If no obvious physical cause is found, a screening for:

• Depression
• Anxiety
• Stress
• Performance pressure or trauma

Specialized Tests (if needed)

• Nocturnal penile tumescence (NPT) test: Checks for erections during sleep.
• Penile Doppler ultrasound: The arterial blood supply of the penis is assessed.
• Injection test (intracavernosal injection): This is carried out by injecting medication into the penis with a view of assessing an erection.
• Neurological testing: If nerve damage is suspected.

Erectile Dysfunction and Heart Disease

Erectile dysfunction (ED) and heart disease are related—ED can be an early warning sign of cardiovascular diseases.

How They're Connected:

Shared Risk Factors:

• High blood pressure
• High cholesterol
• Diabetes
• Obesity
• Smoking
• Sedentary lifestyle
• Poor diet

Vascular Connection:

• Erections are therefore associated with good blood flow.
• Atherosclerosis initially targets small blood vessels such as in the penis, before it targets the bigger ones such as the coronary arteries.
• ED can occur 3–5 years before the first manifestations of cardiovascular diseases.

Endothelial Dysfunction:

• The endothelial lining of blood vessels regulates blood flow.
• It damages the penile and heart blood vessels and reduces nitric oxide level important for erections and heart.

Erectile Dysfunction and High Blood Pressure

Erectile dysfunction and hypertension have a close relationship; how hypertension is a cause of erectile dysfunction and how some hypertension medications are actually a cause of impotence as well.

How High Blood Pressure Causes ED:

Restricted Blood Flow:

• Hypertension shrinks the arteries and makes them more rigid, ones that feed the penis inclusive.
• This decreases the flow of fresh blood into corpora cavernosa while restricting the outflow of blood lowered the amount of blood it can fill the erectile tissues, it also hindered the blood flow into it.

Endothelial Dysfunction:

• High blood pressure reduces nitric oxide in the blood vessels as it affects the endothelium layer of the blood vessels hindering the smooth muscle relaxation and blood flow required for the erection.

Low Testosterone (sometimes):

• High blood pressure in the long-run confers a decrease in testosterone thus leading to low libido and erectile dysfunction.

Erectile Dysfunction and Stress

There is a strong correlation between erectile dysfunction (ED) and stress – stress is one of the main psychological factors that affect erectile dysfunction, primarily in young men.

How Stress Causes ED:

Interferes with Brain Signals:

• Arising of sexual arousal also begins in the head. Stress is another factor that interferes with the communication between the brain and the rest of the body, which can cause sexual dysfunction involving inability to achieve or sustain the erection.

Triggers “Fight-or-Flight” Mode:

• Chronic stress on the other hand will increase the level of adrenaline and cortisol by activating the sympathetic nervous system.
• This leads to vasoconstriction and consequently, blood circulation to the penis decreases.

Mental Distraction & Anxiety:

• Stress detracts from physical affection, in general, and sexual relations, in particular.
• Fear to perform (performance anxiety) can lead to erectile dysfunction particularly when the first effort was not successful.

Relationship Strain:

• Stress hinders care or friendly feelings in relationships thus impacting on intimacy and sexual passion.

Why Choose GetWellGo for Erectile Dysfunction Treatment?

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