Check ED: How Erectile Dysfunction Is Diagnosed

If you want to check for ED, you are already doing the right thing. Plenty of men put this off for a long time, and the ones who check early get two benefits: they find out whether there is a real problem, and they often catch a health issue that has nothing to do with sex.

Here is how a home check works, what a doctor actually tests, and what each result means for you.

What Counts as ED in the First Place

Erectile dysfunction means you regularly cannot get or keep an erection firm enough for the sex you want. The key word is regularly. A bad night after drinking, a stressful week, or one failure with a new partner is not ED. A pattern over several weeks or months is.

It is also far more common than most men assume. The Massachusetts Male Aging Study, published in the Journal of Urology in 1994, surveyed a random community sample of men aged 40 to 70 and found a combined prevalence of minimal, moderate or complete impotence of 52 percent. Complete ED tripled from 5 to 15 percent between ages 40 and 70. Age was the strongest predictor, followed by heart disease, high blood pressure, diabetes and depression.

So if a check comes back positive, you are in very common company, not an outlier.

How to Check for ED at Home

A home check will not diagnose a cause, but it gives you real numbers to take to an appointment instead of a vague feeling.

1. Track Two to Four Weeks of Honest Data

Note, without judgement:

• How often you can get an erection when you want one
• Whether it is firm enough for penetration
• Whether it lasts until you finish
• Whether you still wake up with erections

The last one matters more than most men realise. Night-time and morning erections happen without conscious arousal, so they say something about your blood flow and nerves that sex itself cannot.

2. Score Yourself on the IIEF-5

The IIEF-5, also called the Sexual Health Inventory for Men (SHIM), is a five-question survey drawn from the longer International Index of Erectile Function. It asks about your confidence, firmness, ability to maintain an erection, and satisfaction over the past six months.

It was validated by Rosen and colleagues in the International Journal of Impotence Research in 1999 across 1,152 men. Scores range from 5 to 25. A cutoff of 21 or below identified ED with a sensitivity of 0.98 and a specificity of 0.88. Scores of 22 to 25 mean no ED, and the scale grades severity in five levels down to severe at 5 to 7.

Many urology clinics hand out the IIEF-5 in the waiting room, and you can ask for a copy. Fill it in before your appointment so you are not trying to remember six months of sex life on the spot.

3. Look for the Obvious Triggers

Before you see anyone, list anything that changed around the time the problem started: a new medication, heavier drinking, weight gain, poor sleep, a new job, relationship stress. Alcohol and ED are linked more tightly than most men think, and some blood pressure and antidepressant medicines are known culprits.

Why You Should Not Stop at a Home Check

This is the part most men skip, and it is the most important reason to see a doctor.

The penile arteries are narrower than the coronary arteries. When blood vessel disease starts, it often shows up in erections first. A large study in JAMA in 2005 followed 9,457 men aged 55 and older for several years. After adjusting for age, blood pressure, cholesterol, diabetes, smoking and other factors, men with ED had a 45 percent higher risk of later cardiovascular events. The authors concluded that ED should prompt a check of cardiovascular risk factors, and rated the risk in the same range as current smoking or a family history of heart attack.

That does not mean ED equals heart disease. It means the visit is worth it for reasons beyond the bedroom. If you have high blood pressure, this is doubly true.

What a Doctor Actually Checks

According to the National Institute of Diabetes and Digestive and Kidney Diseases, the diagnosis rests on three pillars.

Your History

Expect direct questions about your medicines and supplements, your erections, ejaculation, orgasm and sex drive, and your mental health. The doctor may ask about your relationship, and in some cases your partner may be included. Answer honestly. Nothing you say will be new to a urologist.

A Physical Exam

The exam looks for signs of blood vessel or nerve problems, hormone issues, and physical problems with the penis such as Peyronie's disease (a curve caused by scar tissue). The NHS notes that a GP will usually take your blood pressure and examine your genitals, and may examine your prostate if you also have urinary symptoms.

Lab and Imaging Tests

Depending on what the history and exam suggest, you may get:

1. Blood tests, which can include blood sugar, cholesterol, testosterone, thyroid and prostate tests
2. Ultrasound of the penis to show how blood flows in and out
3. A nocturnal erection test, done at home or in a sleep lab, to see whether you get normal erections during sleep
4. An injection test, where a medicine is injected into the penis in the office to see how full the erection gets and how long it lasts

Most men only need the first one or two. The specialised tests are usually saved for cases where the cause is unclear or surgery is being considered. If your blood work flags low testosterone, our guide on how to tell if you have low testosterone covers the symptoms that go with it.

Physical or Psychological: What the Results Tell You

The single most useful question a check answers is whether the problem is mainly physical, mainly psychological, or both.

• Strong morning erections, ED only in certain situations suggests a large psychological or situational component, such as performance anxiety
• Weak or absent morning erections, gradual onset over months points more toward blood flow, nerve or hormone causes
• Sudden onset with a new medication points at the medication

In practice many men have a mix. Physical ED creates anxiety, and anxiety makes physical ED worse. That is why the best plans address both at once.

What to Do After Your Check

Once you know what you are dealing with, the options are well established. The NHS lists PDE-5 inhibitors such as sildenafil and tadalafil as the main medical treatment, with vacuum pumps, treating underlying conditions, and counselling as other routes. Our overview of erectile dysfunction treatment walks through each one.

Pelvic floor training belongs on that list too. In a randomised trial by Dorey and colleagues in BJU International in 2005, 55 men with ED for at least six months did physiotherapist-taught pelvic floor exercises with biofeedback plus lifestyle changes. After six months, blinded assessment showed 40 percent had regained normal erectile function and another 35.5 percent had improved. The authors suggested pelvic floor exercises be considered a first-line approach.

The reason is anatomical. The bulbocavernosus and ischiocavernosus muscles wrap the base of the penis and compress the veins that drain blood out of it during an erection. Stronger muscles help trap blood in, which means a firmer erection. If you have never trained them, start with kegels for men and the step-by-step pelvic floor exercises for men.

Then re-check. Score yourself on the IIEF-5 again after eight to twelve weeks of consistent training or treatment. A rising number is the clearest proof that what you are doing is working.

The Bottom Line

Checking for ED is straightforward: track a few weeks of honest data, score yourself on the IIEF-5, and take both to a doctor. The appointment confirms the diagnosis, looks for the cause, and screens for heart and metabolic problems that ED can flag years early.

Whatever the result, you have options that work, and a stronger pelvic floor is one you can start on today.