Erectile dysfunction: the condition explained
What erectile dysfunction is, why it happens, how common it is in the Philippines and what helps. A calm, sourced guide reviewed by a licensed doctor.
Short answer
Erectile dysfunction (ED) means having trouble getting or keeping an erection firm enough for sex, often enough that it bothers you. It is common, it usually has a physical cause such as reduced blood flow, and it can be treated in most men once the cause is understood.
Every cause of ED acts somewhere specific in the body: the brain, the hormones, the blood vessels, the nerves, the pelvic muscles, or through medicines and daily habits. The map below sorts them by where they act. Tap a zone to see the causes found there and the treatments that work on that part of the body, each linked to the page that explains it.
Every cause of ED, mapped to the body.
24 causes and 15 treatments, sorted by where they act.

Loading the 3D figure
Showing all 7 zones
Brain and mind
- causeStress and performance anxietyAdrenaline narrows blood vessels, so worry alone can stop an erection that would otherwise work.
- causeDepressionLow mood dampens desire and arousal, and some treatments for it affect erections too.
- causePorn and expectationsHeavy use can shift what arousal feels like with a real partner. Evidence is mixed.
- causeRelationship strainConflict, distance or pressure to perform make every other cause worse.
- treatmentTalking therapySex therapy and CBT help when anxiety keeps the cycle going, alone or with medicine.
- treatmentA short course of medicineA doctor may prescribe a PDE5 inhibitor for a while to break the anxiety cycle.
Hormones
- causeLow testosteroneLow T mainly lowers desire. It is a less common sole cause of ED than blood vessel problems.
- causeThyroid problemsBoth an overactive and an underactive thyroid are linked to erectile problems.
- causeHigh prolactinA raised prolactin level, sometimes from a small pituitary growth, can lower desire and erections.
- treatmentA blood test firstMorning testosterone, thyroid and sugar tests rule hormones in or out before treatment.
- treatmentTestosterone treatmentOnly for confirmed low T, under a doctor. Our sister site covers TRT in the Philippines.
Heart and blood vessels
- causeHigh blood pressureYears of high pressure stiffen the small arteries that fill the penis.
- causeCholesterol and narrowed arteriesAtherosclerosis shows up first in the smallest vessels, often years before the heart.
- causeSmoking and vapingNicotine constricts blood vessels and damages their lining over time.
- causeAn early warning signED can appear three to five years before a heart attack or stroke. Get your heart checked.
- treatmentPDE5 inhibitorsSildenafil (Viagra) and tadalafil (Cialis) help blood vessels relax and fill. Prescription only.
- treatmentShockwave therapyLow-intensity shockwaves are offered in some Manila clinics. Evidence is still building.
Metabolism
- causeDiabetesHigh blood sugar damages vessels and nerves. Men with diabetes get ED earlier and more often.
- causeObesity and waistlineBelly fat lowers testosterone and raises inflammation that harms blood vessels.
- causeFatty liverOften travels with diabetes and high cholesterol, and shares their effect on erections.
- treatmentWeight, exercise and sugar controlLosing weight and exercising improves erections in a large share of men with metabolic ED.
- treatmentDaily tadalafilA low daily dose is one option a doctor may consider. Monthly peso costs compared.
Nerves and spine
- causeDiabetic nerve damageNerves that start an erection can be damaged by years of high blood sugar.
- causeSpinal injuryInjury to the lower spine can interrupt the signals between brain and pelvis.
- causeProstate surgerySurgery for prostate cancer can affect the nerves beside the prostate.
- treatmentA urologist's assessmentNerve-related ED needs specialist tests and a tailored plan.
- treatmentInjections and devicesWhen tablets are not enough, injections or vacuum devices can work. A urologist decides.
Pelvic floor
- causeWeak pelvic musclesThese muscles help keep blood in the penis. Weakness can make erections fade sooner.
- causeTense pelvic musclesMuscles that are always clenched can cause pain and rushed climax.
- causePremature ejaculationThe most common sexual problem in men, and often found together with ED.
- treatmentPelvic floor trainingKegel exercises, done properly for three months, help both ED and PE in trials.
- treatmentDapoxetine (Priligy)A prescription medicine made for premature ejaculation.
- treatmentNumbing sprays and wipesTopical anaesthetics reduce sensitivity. What is registered in the Philippines.
Medicines and lifestyle
- causeBlood pressure medicinesSome older types can affect erections. Never stop one yourself: ask about a switch.
- causeAntidepressantsSSRIs commonly delay climax and can lower desire and firmness.
- causeAlcoholA drink or two is fine for most; heavy drinking blunts erections, short and long term.
- causePoor sleep and night shiftsBPO night work and short sleep lower testosterone and energy.
- treatmentA medication reviewA doctor can check whether any of your current medicines are part of the problem.
- treatmentAvoiding fake pillsUnregistered and herbal ED products sold online can contain hidden drugs.
What is erectile dysfunction, in plain terms?
ED is a problem with getting or keeping an erection, not a problem with desire, fertility or masculinity. An erection depends on nerves, blood vessels, hormones and the mind working together, and a problem in any one of them can interrupt it.
When you are aroused, the brain sends signals through the nerves to the penis. The blood vessels there relax and fill with blood, and the tissue traps it until the erection ends. Anything that narrows the arteries, damages the nerves, lowers hormone levels or floods the body with stress hormones can get in the way. Our full guide to what erectile dysfunction is walks through each step, the signs, how doctors diagnose it and the treatment options from lifestyle changes to surgery.
How common is ED, and who gets it?
ED is one of the most common health problems in men over 40, and it is seen in younger men too. In the Massachusetts Male Aging Study, about 52% of men aged 40 to 70 reported some degree of ED, and complete ED rose from about 5% at age 40 to 15% at age 70.
Age matters, but the conditions that come with age matter more. High blood pressure, diabetes, high cholesterol, smoking and heavy drinking all raise the risk. These are not rare in the Philippines: the World Health Organization estimates that about one in three Filipino adults aged 30 to 79 has high blood pressure. Our page on what causes erectile dysfunction explains each cause and how it shows up in Filipino men, from diabetes to night-shift work.
Why does ED matter for your heart?
ED can be an early warning sign of heart and blood vessel disease. The arteries in the penis are smaller than those in the heart, so narrowing often shows up there first, sometimes years before chest pain.
That makes a first episode of ED a good reason to have your blood pressure, blood sugar and cholesterol checked. Fixing those problems protects your heart and, in many men, improves erections too.
Does ED only happen to older men?
No. Men in their 20s and 30s get ED too, and stress, performance anxiety, alcohol, vaping and short sleep are common reasons. Physical causes still need to be ruled out at any age.
If you are younger, read ED in your 20s and 30s, which covers anxiety, the evidence on porn, and when to see a doctor. If your main problem is low desire, tiredness and low mood rather than firmness, ED and low testosterone explains when a hormone test makes sense.
How is ED treated?
Most men are helped by a mix of lifestyle changes, treating the underlying condition and, where suitable, a prescription medicine. Your doctor decides which medicine, what strength and how often.
The most widely used medicines are PDE5 inhibitors such as sildenafil (Viagra) and tadalafil (Cialis). They need a prescription in the Philippines, and generics cost far less than the original brands: compare checked prices on our ED medicine prices page. Talking therapy, vacuum devices, injections and surgery are options when tablets are unsuitable or not enough.
Free toolFree ED self-checkFive questions, two minutes, nothing stored.Where do I start?
Start with a private self-check, then talk to a licensed doctor. A consultation can be done by phone or video, which helps if you share a home with family and want privacy.
Pages in this section
- What causes erectile dysfunction?The causes of erectile dysfunction, from diabetes, high blood pressure and smoking to stress, medicines and night-shift work, explained for Filipino men.
- ED and low testosterone: how they are linkedLow testosterone mainly lowers desire, not firmness. When to test, why the blood test is done in the morning, and why TRT is a specialist decision.
- ED in your 20s and 30sED at 25 or 30 is more common than you think. Performance anxiety, alcohol, vaping, sleep and porn: what the evidence says, and when to see a doctor.
- What is erectile dysfunction? Causes, signs and treatmentErectile dysfunction (impotence) explained: symptoms, causes, how common it is by age, why it can warn of heart disease, and every treatment option.
Frequently asked questions
Is erectile dysfunction common?
Yes. In the Massachusetts Male Aging Study, about half of men aged 40 to 70 reported some degree of erectile difficulty, from mild to complete. It becomes more common with age, but it is not an inevitable part of getting older.
Is ED a sign of something more serious?
Sometimes. The small arteries that supply the penis can show damage before the larger arteries of the heart, so ED can be an early sign of high blood pressure, diabetes or heart disease. That is why a doctor will usually check your blood pressure, blood sugar and cholesterol.
Can erectile dysfunction be treated?
Yes, in most men. Treatment depends on the cause and can include lifestyle changes, prescription PDE5 inhibitors such as sildenafil (Viagra) and tadalafil (Cialis), talking therapy, devices, injections and, rarely, surgery. A doctor helps you choose.
Should I see a doctor if it only happens sometimes?
An occasional bad night is normal and usually linked to tiredness, stress or alcohol. If it happens on most attempts for a few weeks, or it worries you, a consultation is worth it, especially if you have diabetes, high blood pressure or smoke.
Where do I start if I am embarrassed to talk about it?
Many men start with a private self-check and a teleconsultation, which can be done from your phone. Doctors see ED every day and will ask practical questions about your health, not about anything you do not want to share.
Sources
- 1.EAU Guidelines on Sexual and Reproductive Health. European Association of Urology.
- 2.Erectile dysfunction. NIH National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).
- 3.Erection problems (erectile dysfunction). NHS.
- 4.Impotence and its medical and psychosocial correlates: results of the Massachusetts Male Aging Study. Journal of Urology (PubMed).
- 5.Hypertension Philippines 2023 country profile. World Health Organization.
This site is for education only and is not medical advice: diagnosis and treatment, including whether a medicine is right for you and how much to take, are decided by a licensed doctor.