Erectile Dysfunction: Causes, Treatment & When to Get Help

Complete Men's Wellness Hub

Erectile dysfunction, or ED, means having persistent difficulty getting or maintaining an erection firm enough for satisfactory sexual activity. It can result from problems involving blood flow, nerves, hormones, medications, diabetes, cardiovascular disease, psychological factors, or a combination of several issues.

ED is common.

It is often treatable.

And most importantly:

Erectile dysfunction isn't always just a sexual problem.

Persistent changes in erections can sometimes provide useful information about your broader health—particularly cardiovascular and metabolic health.

Possible contributors include:

Cardiovascular disease
High blood pressure
Diabetes
Obesity
Smoking
Medications
Nerve disorders
Pelvic surgery
Psychological stress or anxiety
Low testosterone or other hormonal problems
Sleep disorders
Alcohol or recreational drug use

That means persistent ED deserves more than:

“I guess I'm getting older.”

This guide explains common causes of erectile dysfunction, how ED is evaluated, treatment options including sildenafil and tadalafil, the connection between ED and heart health, and when it's time to seek medical help.

What Is Erectile Dysfunction?

Erectile dysfunction means consistently or repeatedly having difficulty:

Getting an erection
Keeping an erection long enough for sexual activity
Achieving an erection firm enough for satisfactory sex

An occasional erection problem isn't necessarily ED.

Most men will experience temporary difficulties at some point.

You might be:

Exhausted
Stressed
Distracted
Anxious
Drinking alcohol
Not especially aroused
Recovering from illness

One unsuccessful sexual encounter doesn't establish a medical disorder.

The pattern becomes more meaningful when erection problems are:

Persistent
Recurrent
Becoming more frequent
Affecting sexual activity
Affecting confidence or relationships

Patterns matter much more than one bad night.

How Does an Erection Work?

An erection requires several systems to work together.

That includes:

Brain signaling
Nerves
Blood vessels
Hormones
Erectile tissue
Psychological arousal

Sexual stimulation triggers nerve signals that cause blood vessels supplying the penis to relax.

Blood flow into the erectile tissue increases.

At the same time, mechanisms within the penis help trap that blood long enough to maintain rigidity.

If something disrupts:

Blood flow
Nerve signaling
Hormonal function
Psychological arousal
Penile structure

erections may become less reliable.

That's why ED has so many possible causes.

ED Is Not an Inevitable Part of Aging

Erectile dysfunction becomes more common as men get older.

But aging itself doesn't automatically cause ED.

Older men are more likely to develop conditions that can interfere with erectile function, including:

Cardiovascular disease
Diabetes
High blood pressure
Obesity
Neurological disease
Medication use

So age can increase the likelihood of experiencing ED without making erectile dysfunction an unavoidable part of getting older.

Persistent changes deserve evaluation whether you're 35, 45, 55, or 75.

Common Causes of Erectile Dysfunction

ED often has more than one contributor.

A man might simultaneously have:

High blood pressure
Obesity
Diabetes
Poor sleep
Medication effects
Performance anxiety

That makes finding the cause more useful than simply labeling the symptom.

1. Cardiovascular and Blood-Vessel Disease

An erection is fundamentally dependent on healthy blood flow.

That makes vascular health extremely important.

Conditions such as:

Atherosclerosis
Coronary artery disease
Peripheral vascular disease
Other blood-vessel disorders

can reduce the ability of arteries to deliver adequate blood flow.

The penile arteries are relatively small, which means vascular dysfunction may sometimes become apparent through erection changes before more obvious cardiovascular symptoms develop.

That doesn't mean:

ED = heart disease.

It means persistent unexplained ED can be a reason to look more closely at cardiovascular health.

Can ED Be an Early Warning Sign of Heart Disease?

Sometimes.

The connection between erectile dysfunction and cardiovascular disease is important enough that newer cardiovascular and sexual-medicine recommendations increasingly treat ED as a potential marker of underlying cardiovascular risk.

The same processes that affect coronary arteries can affect penile blood vessels.

That can include:

Atherosclerosis
Endothelial dysfunction
High blood pressure
Diabetes
Smoking
Abnormal cholesterol
Obesity

So if ED appears without an obvious explanation—particularly in a man with other cardiovascular risk factors—it may justify a broader risk assessment.

Useful areas to review can include:

Blood pressure
Cholesterol
Blood glucose or A1C
Smoking
Weight and waist circumference
Physical activity
Family history
Other cardiovascular symptoms

Treat the erection.

But don't automatically ignore the arteries behind it.

2. High Blood Pressure

High blood pressure can damage blood vessels over time.

That includes vessels involved in erectile function.

Some medications used to treat hypertension may also contribute to sexual side effects in certain men.

That creates a frustrating situation:

The condition can contribute to ED.

And occasionally the treatment can contribute too.

Do not stop blood-pressure medication because you think it's causing erectile dysfunction.

Talk with the healthcare professional prescribing it.

Medication choice or dosing may sometimes be adjusted safely.

Uncontrolled high blood pressure is considerably more dangerous than the sexual side effect you're trying to solve.

3. Diabetes

Diabetes is an important cause of erectile dysfunction.

Chronically elevated blood glucose can damage:

Blood vessels
Nerves

Both are critical to normal erections.

Diabetes is also frequently associated with:

Obesity
High blood pressure
Cardiovascular disease
Abnormal cholesterol
Other metabolic problems

All of those can contribute further.

ED in a man with diabetes may therefore have multiple overlapping causes.

Improving diabetes management matters for far more than sexual function.

4. Obesity and Metabolic Health

Obesity can contribute to ED through several pathways.

It is associated with:

Cardiovascular disease
Diabetes
Insulin resistance
Inflammation
Sleep apnea
Reduced physical activity
Hormonal changes

That doesn't mean body weight determines sexual function by itself.

But metabolic health and vascular health influence the systems required for erections.

If excess abdominal fat is one of your concerns, read Why Belly Fat Gets Harder to Lose After 30.

5. Low Testosterone

Testosterone matters.

But testosterone marketing often makes its role in ED sound much simpler than it is.

Low testosterone can contribute to:

Reduced libido
Fewer spontaneous erections
Erectile difficulties

But erections also require healthy:

Blood flow
Nerve function
Psychological arousal
Penile tissue

A man can have normal testosterone and substantial ED because the primary issue is vascular, neurological, psychological, medication-related, or metabolic.

And a man with low testosterone may still be able to achieve erections.

That's why:

ED does not automatically mean low testosterone.

When Should Testosterone Be Checked for ED?

Testosterone evaluation may make more sense when erectile dysfunction occurs alongside symptoms such as:

Persistently low libido
Fewer spontaneous or morning erections
Other sexual-function changes
Loss of muscle mass
Other signs compatible with testosterone deficiency

If testosterone is part of the concern, read:

For testing resources, visit the HabitLogics Men's Bloodwork Hub.

The Everlywell Testosterone Test provides one at-home testing option.

Remember:

One ED symptom doesn't diagnose low T, and one testosterone result doesn't diagnose hypogonadism.

6. Medications

Many commonly used medications can affect erectile function in some men.

Potential contributors can include certain:

Antidepressants
Blood-pressure medications
Sedatives
Hormonal medications
Cancer treatments
Pain medications
Other prescription drugs

If erectile problems began soon after:

Starting a medication
Increasing a dose
Switching drugs

tell your healthcare professional.

Do not stop a needed prescription on your own.

Sometimes an alternative medication, dose, or treatment strategy is possible.

7. Smoking

Smoking damages blood vessels.

That matters because healthy erections depend on healthy circulation.

Smoking also increases cardiovascular disease risk, which further connects it with erectile dysfunction.

If you smoke and have ED, quitting isn't a trendy sexual-health hack.

It's one of the strongest things you can do for your long-term vascular and overall health.

8. Alcohol

Alcohol can affect erections differently depending on the amount and pattern of use.

A small amount may reduce inhibition for some people.

Too much can interfere with:

Arousal
Nerve signaling
Erectile function
Coordination
Sexual performance

Chronic heavy alcohol use can also damage broader physical and mental health.

If your erections are consistently worse after drinking heavily, the cause may not require a complicated hormone explanation.

9. Stress and Performance Anxiety

Psychological factors can cause or worsen erectile dysfunction.

Potential contributors include:

Performance anxiety
Stress
Depression
Relationship conflict
Fear of sexual failure
Low confidence
Negative body image

ED can also create its own feedback loop.

An erection problem happens once.

You worry about it happening again.

During the next sexual encounter, you're monitoring your erection instead of experiencing arousal.

Anxiety increases.

Another erection problem occurs.

Now the fear feels confirmed.

That cycle can become powerful even when no serious physical problem started it.

Counseling, psychotherapy, or sex therapy may help when emotional or relationship factors are playing a significant role.

What Can Morning Erections Tell You?

Morning and spontaneous erections can provide useful context.

They aren't a perfect diagnostic test.

But patterns can help.

If you regularly have:

Morning erections
Normal erections during masturbation

but have difficulty mainly during partnered sexual activity, situational or psychological contributors may deserve greater attention.

If erections are consistently impaired:

During partnered sex
During masturbation
In the morning

a physical contributor may become more likely.

Neither pattern proves the cause.

But the information can help guide an evaluation.

For a deeper look, read Morning Erections: What They Can Tell You About Your Health.

10. Poor Sleep and Sleep Apnea

Sleep problems can affect:

Mood
Energy
Libido
Cardiovascular health
Metabolic health
Hormone regulation

Obstructive sleep apnea deserves particular attention because it commonly overlaps with:

Obesity
High blood pressure
Fatigue
Metabolic disease
Sexual dysfunction

If you're loudly snoring, gasping during sleep, experiencing witnessed breathing pauses, or waking exhausted despite enough time in bed, the sleep issue deserves evaluation.

Read Sleep for Men.

11. Nerve Damage and Neurological Conditions

Erections require intact nerve signaling.

Conditions or injuries that damage the nerves involved in erectile function can contribute to ED.

Examples can include:

Diabetes
Multiple sclerosis
Spinal cord injuries
Pelvic injuries
Pelvic surgery

Prostate surgery is particularly relevant because nerves involved in erections can sometimes be damaged during treatment.

The appropriate ED treatment may differ when nerve injury is a major contributor.

12. Peyronie's Disease and Penile Changes

Peyronie's disease involves scar tissue within the penis.

It can cause:

New penile curvature
Pain
Difficulty with intercourse
Erectile problems

A noticeable new curve, painful erections, or a palpable penile abnormality deserves medical evaluation.

A urologist can assess whether Peyronie's disease or another structural problem is contributing.

How Is Erectile Dysfunction Diagnosed?

ED evaluation usually begins with conversation rather than a massive battery of tests.

A healthcare professional may review:

Your medical history
Sexual history
Medications
Mental health
Relationship factors
Cardiovascular risk factors
Lifestyle
Timing and pattern of erection problems

A physical examination may assess:

Blood pressure
Circulation
Neurological function
Signs of hormonal disorders
Penile anatomy
Testicular or reproductive findings when appropriate

Additional tests can be used if the cause remains unclear.

What Bloodwork May Be Used for ED?

Not every man with ED needs every possible blood test.

Testing should be based on the clinical picture.

Depending on age, symptoms, history, and risk factors, evaluation may include:

Blood glucose
A1C
Lipid panel
Testosterone when appropriate
Thyroid testing
Other relevant laboratory testing

The goal is to identify treatable underlying problems rather than simply prescribe an erection medication and ignore everything else.

The Men's Bloodwork Dashboard can help organize testosterone, glucose, lipids, metabolic markers, and other laboratory results over time.

Treat the Cause When Possible

A useful principle in ED treatment is:

Treat underlying causes where possible + treat the erection when needed.

For example:

Diabetes

Improve diabetes and cardiovascular-risk management.

High Blood Pressure

Control blood pressure and review medications if necessary.

Medication Side Effects

Discuss alternatives with the prescribing clinician.

Low Testosterone

Treat appropriately diagnosed hypogonadism when indicated.

Performance Anxiety

Counseling or sex therapy may help.

Smoking

Stopping smoking can benefit both erectile and cardiovascular health.

Even when ED medication works, addressing the underlying cause still matters.

Lifestyle Changes Can Improve Erectile Function

Lifestyle isn't a guaranteed cure for ED.

But many of the same behaviors that improve cardiovascular and metabolic health can improve erectile function in some men.

Useful areas include:

Stop smoking
Increase physical activity
Maintain a healthier body weight
Improve diet quality
Limit excessive alcohol
Manage diabetes and blood pressure
Improve sleep
Address stress and mental health

There is an unusually convenient overlap here:

What's good for your cardiovascular system is often good for your erections too.

Walking and Erectile Health

Walking isn't an ED medication.

But regular activity supports several systems relevant to erectile function:

Cardiovascular fitness
Blood pressure
Blood glucose
Weight management
Metabolic health
Stress management

If daily movement is low, Walking for Men's Health is a simple place to start.

Strength Training and Erectile Health

Resistance training can support:

Body composition
Insulin sensitivity
Physical fitness
Strength
Cardiovascular-risk reduction
Confidence

It doesn't function like sildenafil.

It doesn't need to.

The broader health benefits are useful on their own.

Use Strength Training for Men Over 30 if you're not already resistance training.

Erectile Dysfunction Treatment Options

ED treatment depends partly on the cause, medical history, other medications, personal preference, and how severe the problem is.

Options range from oral medication to counseling, devices, injectable medication, and surgery.

PDE5 Inhibitors: Common Oral ED Medications

The most familiar ED medications belong to a class known as phosphodiesterase type 5 inhibitors, or PDE5 inhibitors.

Common examples include:

Sildenafil
Tadalafil
Vardenafil
Avanafil

Sildenafil is the active ingredient associated with Viagra.

Tadalafil is associated with Cialis.

These medications improve the nitric-oxide signaling involved in penile blood flow.

They still generally require sexual stimulation.

Taking sildenafil doesn't normally produce an automatic erection independent of arousal.

Sildenafil

Sildenafil is commonly used before anticipated sexual activity.

Its effect lasts for several hours.

Timing, food, dose, other medications, health conditions, and individual response can influence how well it works.

Common potential side effects include:

Headache
Flushing
Nasal congestion
Indigestion
Visual changes

A healthcare professional can help determine whether sildenafil is appropriate and how it should be taken.

Tadalafil

Tadalafil has a longer duration of action than sildenafil.

That longer window has led to the nickname:

“the weekend pill.”

Tadalafil may be prescribed:

As needed
As a lower-dose daily medication

Daily dosing can reduce the need to plan medication around individual sexual encounters.

Neither sildenafil nor tadalafil is universally “better.”

The best fit can depend on:

How often you have sex
Desired duration
Side effects
Cost
Other medications
Medical history
Personal preference

ED Pills Don't Work for Everyone

PDE5 inhibitors work well for many men.

But response varies.

They may be less effective in some men with:

Severe diabetes-related damage
Significant vascular disease
Nerve injury
Previous prostate surgery
Other complex causes of ED

Sometimes changes in:

Dose
Timing
Medication choice
How the medication is taken

improve results.

Other men need a different type of treatment.

Never Mix ED Pills With Nitrates

This is one of the most important safety rules in ED treatment.

PDE5 inhibitors such as sildenafil and tadalafil can cause a dangerous drop in blood pressure when combined with nitrate medications.

Examples include:

Nitroglycerin
Isosorbide mononitrate
Isosorbide dinitrate

If you use nitrate medication for chest pain or heart disease, tell the clinician before taking any PDE5 inhibitor.

Do not experiment with this combination.

Mayo Clinic specifically warns against nitrate/PDE5-inhibitor combinations because of potentially dangerous hypotension.

Heart Disease and ED Medication

Having cardiovascular disease doesn't automatically mean you can never use ED medication.

But cardiovascular stability matters.

Sexual activity itself increases physical demand to some degree, and men with unstable cardiovascular disease, recent major cardiac events, or concerning symptoms may require additional evaluation before sexual activity or ED treatment.

If you develop:

Chest pain with exertion
Significant shortness of breath
Fainting
New cardiovascular symptoms

don't simply work around those symptoms with ED medication.

Get the cardiovascular problem evaluated.

What About Testosterone for ED?

TRT shouldn't be treated as the default erectile-dysfunction medication.

If you have:

ED + appropriately diagnosed testosterone deficiency

testosterone treatment may be one component of the overall plan.

But if testosterone is normal, simply raising testosterone doesn't automatically solve ED.

Read What Is TRT? Testosterone Replacement Therapy Explained for the benefits, risks, fertility implications, and monitoring involved.

If you've already completed appropriate evaluation and are researching treatment providers, you can also compare online TRT options.

HabitLogics may earn a commission if you purchase through links on our TRT provider page, at no additional cost to you.

Vacuum Erection Devices

A vacuum erection device uses negative pressure to pull blood into the penis.

A constriction ring can then help maintain the erection.

Potential advantages include:

No systemic medication
Can work when oral medication isn't appropriate or effective
Reusable

Possible disadvantages include:

Less spontaneity
Bruising
Discomfort
A cool or numb sensation
Mechanical feeling

For some men, vacuum devices provide a useful non-drug treatment option.

Penile Injections

Certain medications can be injected directly into penile erectile tissue.

That sounds intimidating to many men.

But intracavernosal injection therapy can be highly effective when oral medications don't work adequately.

These drugs directly increase penile blood flow.

Because improper dosing can create complications—including prolonged erections—patients need appropriate medical instruction.

This is not a DIY experiment.

Urethral Medication

Certain ED medications can be administered through the urethra.

This treatment is less commonly discussed than oral medication or injections but remains an option for some men.

A urologist can explain when this approach may make sense.

Penile Implants

For severe erectile dysfunction that doesn't respond adequately to less invasive treatments, penile implants can provide a surgical option.

Inflatable implants generally use internal cylinders and a pump to produce an erection when desired.

Implants are usually considered after other treatments have failed or aren't acceptable.

They're a much larger intervention than taking a pill.

But they can provide reliable erectile function for appropriately selected patients.

Counseling and Sex Therapy

Counseling deserves more respect than it often gets in conversations about ED.

If major contributors include:

Performance anxiety
Depression
Relationship conflict
Stress
Sexual trauma
Fear of failure

medication alone may not address the entire problem.

Psychotherapy, couples counseling, or sex therapy may help reduce anxiety, improve communication, and break the cycle between erectile difficulty and performance fear.

Using counseling doesn't mean:

“It's all in your head.”

The brain is one of the systems involved in sexual function.

Psychological and physical contributors can coexist.

Avoid Mystery “Male Enhancement” Supplements

ED has created a huge supplement market.

Products often promise to:

Improve erections
Raise testosterone
Increase stamina
Improve libido
Increase penis size

sometimes all in the same bottle.

That's a red flag.

Sexual-enhancement supplements have repeatedly been the subject of FDA warnings because some products have contained undeclared pharmaceutical ingredients.

“Natural” doesn't mean:

Proven effective
Accurately labeled
Interaction-free
Safer than prescription medication

If a well-studied generic medication is medically appropriate, mystery capsules purchased online aren't automatically the safer route.

What About Online ED Treatment?

Telehealth can make legitimate ED treatment easier to access.

That's useful—especially for men who may otherwise avoid discussing sexual problems.

But convenience shouldn't eliminate appropriate clinical screening.

A responsible online provider should review:

Your medications
Nitrate use
Cardiovascular history
Other medical conditions
Symptoms
Treatment goals
Potential interactions

Be cautious if a service appears willing to prescribe medication without adequately asking what else you're taking or what medical problems you have.

That's not convenience.

That's inadequate screening.

When Should You See a Healthcare Professional for ED?

Consider medical evaluation when:

Erectile problems persist for several weeks or months
ED is becoming more frequent
Erections have changed significantly from your normal
You have cardiovascular risk factors
You have diabetes
You have high blood pressure
You smoke
You have low libido or other hormonal symptoms
You have penile pain or new curvature
ED began after starting medication
The problem is significantly affecting your mental health or relationship

Persistent erectile dysfunction deserves an explanation.

Not embarrassment.

When Is Erectile Dysfunction an Emergency?

ED itself usually isn't an emergency.

But certain related situations require urgent medical attention.

Chest Pain or Serious Cardiovascular Symptoms

Seek urgent care for symptoms such as:

Chest pain
Severe shortness of breath
Fainting
Symptoms suggesting a heart attack or other cardiovascular emergency

Priapism

An erection lasting four hours or longer requires urgent medical evaluation.

This condition is called priapism.

Prolonged erections can damage penile tissue if they're not treated promptly. NIDDK specifically advises immediate care for erections lasting more than four hours.

Sudden Vision or Hearing Changes After ED Medication

Rare but serious vision or hearing changes associated with oral ED medicines also warrant immediate medical attention.

If ED Medication Works, Still Pay Attention to Your Health

Suppose tadalafil works perfectly.

Great.

That solves an important symptom.

You should still care about:

Blood pressure
Cholesterol
Blood glucose
Weight
Physical activity
Smoking
Sleep
Cardiovascular fitness

Why?

Because medication can improve the erection without necessarily fixing the condition that contributed to ED.

If vascular health has declined, successful sildenafil doesn't reverse atherosclerosis.

Treat the symptom.

And address the system.

Track the Health Markers Behind ED

If erectile dysfunction motivates you to pay closer attention to your health, that's potentially useful.

Relevant markers can include:

Blood pressure
Weight
Waist circumference
Lipids
Blood glucose
A1C
Testosterone when clinically appropriate
Sleep
Physical activity

The Men's Health & Performance Dashboard can help track fitness, body composition, energy, recovery, and broader health measures.

The Men's Bloodwork Dashboard is designed specifically for organizing laboratory trends.

For a free starting point, download the FREE Men's Hormone & Energy Starter Kit.

Frequently Asked Questions

What causes erectile dysfunction?

ED can result from cardiovascular disease, diabetes, high blood pressure, obesity, medications, smoking, neurological disease, hormonal problems, psychological factors, sleep disorders, penile conditions, or other health problems.

Several causes can overlap in the same person.

Is erectile dysfunction normal after 40?

ED becomes more common as men age, but it isn't simply an inevitable or normal consequence of getting older.

Persistent changes deserve evaluation.

Can ED be a sign of heart disease?

It can sometimes be associated with underlying vascular disease and may provide useful information about cardiovascular risk.

ED doesn't prove that you have heart disease, but persistent unexplained ED can be a reason to assess cardiovascular risk factors.

Does erectile dysfunction mean low testosterone?

No.

Low testosterone is one potential contributor, particularly when ED occurs with reduced libido or other symptoms of testosterone deficiency.

Many men with erectile dysfunction have normal testosterone.

Can stress cause erectile dysfunction?

Yes.

Stress, performance anxiety, depression, relationship problems, and other psychological factors can cause or worsen ED.

Physical and psychological causes can also occur together.

Can losing weight improve ED?

It may.

Weight reduction, regular physical activity, smoking cessation, healthy eating, and other cardiovascular-health improvements can improve erectile function in some men.

What is the best medication for erectile dysfunction?

There isn't one universally best ED medication.

Sildenafil and tadalafil are both widely used PDE5 inhibitors, but they have different durations and dosing options.

The best choice depends on medical history, other medications, desired duration, side effects, cost, and personal preference.

What's the difference between sildenafil and tadalafil?

Sildenafil is generally shorter-acting and is typically taken before anticipated sexual activity.

Tadalafil lasts considerably longer and can also be prescribed as a daily lower dose.

Both require medical consideration of interactions and contraindications.

Can I take sildenafil or tadalafil with nitroglycerin?

PDE5 inhibitors should not be combined with nitrate medications such as nitroglycerin because the combination can cause a dangerous drop in blood pressure.

Tell the prescribing clinician about all medications you take.

Does TRT treat erectile dysfunction?

TRT may help some men who have both erectile dysfunction and appropriately diagnosed testosterone deficiency.

It isn't the default ED treatment for men with normal testosterone.

Is erectile dysfunction reversible?

Sometimes.

If contributors such as smoking, obesity, medication effects, poorly controlled diabetes, stress, or other modifiable factors improve, erectile function may improve too.

Other causes may require ongoing medication, devices, injections, counseling, or surgical treatment.

When should I worry about erectile dysfunction?

Persistent or worsening ED deserves evaluation, especially when it occurs alongside:

Cardiovascular risk factors
Diabetes
Penile pain or curvature
Hormonal symptoms
Medication changes
Significant emotional or relationship distress

Key Takeaways

Erectile dysfunction means persistent difficulty getting or maintaining an erection firm enough for satisfactory sexual activity.
One occasional erection problem doesn't necessarily mean you have ED.
ED becomes more common with age but isn't simply an inevitable consequence of aging.
Cardiovascular disease, diabetes, obesity, high blood pressure, medications, neurological problems, psychological factors, sleep disorders, and hormonal problems can all contribute.
Persistent ED can sometimes provide useful information about cardiovascular health.
ED by itself doesn't diagnose low testosterone.
Lifestyle improvements that support vascular and metabolic health can improve erectile function in some men.
Sildenafil, tadalafil, and other PDE5 inhibitors are established oral treatments for many men with ED.
PDE5 inhibitors should not be combined with nitrate medications because of the risk of dangerous low blood pressure.
Vacuum devices, injections, urethral medication, counseling, and penile implants provide additional treatment options.
An erection lasting four hours or longer requires urgent care.
Treating the erection matters—but so does understanding what may be causing the problem.

Final Thoughts

Erectile dysfunction isn't a character flaw.

And it isn't something you need to quietly accept because you're getting older.

An erection depends on multiple systems working together:

Blood vessels.

Nerves.

Hormones.

Brain.

Penile tissue.

Overall health.

When erections change consistently, that can provide useful information.

Sometimes the solution is straightforward.

An ED medication works.

Sometimes the bigger issue is:

Diabetes
High blood pressure
Cardiovascular disease
Sleep apnea
Medication effects
Low testosterone
Nerve injury
Performance anxiety

The goal isn't only to get an erection tonight.

It's also to understand whether your body is telling you something worth paying attention to.

Treat the symptom.

But don't ignore the health behind it.

Continue the Men's Sexual Health & Testosterone Series

For related sexual-health content:

Morning Erections: What They Can Tell You About Your Health

For the testosterone connection:

For broader men's health:

For testing and tracking:

If you've already completed appropriate evaluation and are researching testosterone treatment:

Compare Online TRT Options →

Affiliate Disclosure

Some links in this article are affiliate links. If you make a purchase through one of these links, HabitLogics may earn a commission at no additional cost to you. Recommendations are included only where they naturally fit the topic.

Educational Disclaimer

This article is intended for educational purposes only and should not be considered medical advice. Erectile dysfunction may be associated with cardiovascular disease, diabetes, medications, neurological conditions, hormonal disorders, psychological factors, or other medical conditions. Prescription ED medications can cause serious interactions, particularly with nitrate medications. Seek individualized advice from a qualified healthcare professional for persistent erectile dysfunction or before starting, stopping, or changing ED medication. Seek urgent medical attention for an erection lasting four hours or longer, chest pain or other emergency cardiovascular symptoms, or serious vision or hearing changes after using ED medication.