Medically reviewed by Dr. Meinolf Dorka, Medical Director, last reviewed September 2026
Difficulty with an erection is one of the things people are slowest to say out loud. It is common to notice it for a while, to read about it privately, and to still put off mentioning it to anyone. That delay is rarely a matter of willpower. It usually says more about how the subject is talked about, or not talked about, than about the person living with it.
This is a plain guide to what erectile dysfunction is, what the signs are, and when it is worth acting. The aim is to give you enough to make your own decision, at your own pace.
When it needs urgent care
A firm erection that will not go down and lasts longer than a few hours needs emergency care rather than watchful waiting. This is called priapism, and it can occur after taking medicines for erectile dysfunction. Left untreated for too long, it can damage the erectile tissue. In Switzerland, call 144 for a medical emergency. ahtida Health is not an emergency service.
What is erectile dysfunction?
In plain terms, erectile dysfunction, usually shortened to ED, means trouble getting or keeping an erection firm enough for sex. The clinical picture is a little more precise. It describes a reduced ability to reach or hold an erection that is present often, over a period of several months, and that causes real distress. The World Health Organization classifies it under conditions related to sexual health, as male erectile dysfunction.
The distinction matters, because an occasional off night is not the same thing. Feeling tired, nervous, distracted, or having had a few drinks can all get in the way of an erection on a given evening. That is ordinary. ED describes a pattern rather than a single occasion.
What does it feel like?
The signs are usually straightforward. They may be persistent or recurring and can develop gradually or appear more suddenly, depending on the cause. You might notice being able to get an erection sometimes but not reliably, getting one but not keeping it long enough for sex, needing much more stimulation than before, or, in some cases, not being able to get an erection at all. A lower interest in sex can sit alongside these.
ED also carries an emotional weight that is worth naming plainly. It can bring embarrassment, frustration, and lower confidence, and for some people it feeds into anxiety or low mood. Those feelings are real and they are common. They are not a measure of your worth, and they are a reason to seek help rather than a reason to avoid it.
It is also worth separating ED from two things it is often confused with. It is not the same as a lower interest in sex, although the two can occur together, and it is not the same as ejaculating sooner than you would like. These can overlap, but they are different concerns with different answers, and telling a doctor which one you mean makes the conversation quicker and more useful.
Types of erectile dysfunction
Clinicians group ED in a few ways, which helps point to the cause and to the right response. By what the difficulty affects, the common categories are vascular, to do with blood flow, which is the most frequent type; neurogenic, to do with the nerves; hormonal, such as low testosterone; and psychogenic, where thoughts, mood, and feelings are the main driver.
There is also a simpler distinction worth knowing: whether the difficulty happens in every situation or only in some. Difficulty that comes and goes with the situation, rather than every time, is a detail worth mentioning to a doctor, because it can point towards the cause.
What causes it?
The causes fall into two broad groups, and often both are at work. Physical contributors include heart disease and narrowed blood vessels, high blood pressure, high cholesterol, diabetes, obesity, certain prescription medicines, smoking, heavy drinking, hormonal changes, and injuries or surgery affecting the pelvis or spinal cord. Emotional and psychological contributors include stress, pressure at work, anxiety, depression, and difficulties within a relationship.
It is common for the two to feed each other. A small physical change can slow things down, worry about that change can add to it, and the worry then becomes part of the problem in its own right.
Some of the most common contributors are also the most changeable. Smoking damages blood vessels over time, heavy drinking works against both arousal and circulation, and inactivity, excess weight, and poor sleep all raise the odds. Age plays a part too, largely because the conditions linked to ED become more common with age rather than because ageing causes it directly. None of these guarantees ED, and addressing them often helps, which is part of why the first step is usually a look at the whole picture rather than a single test.
If any of this feels familiar, it is worth holding onto one thing: noticing a cause is information, not failure. ED is often the body signalling that something else deserves attention, from blood pressure to sleep to stress. Learning that is the start of doing something about it, not evidence that you did anything wrong.
When should you act?
An occasional episode does not necessarily indicate ED. Speak to a doctor if it recurs, concerns you, or comes with other symptoms. It is worth speaking to one when the pattern is ongoing, when it is affecting you or a relationship, or when it comes with other symptoms. It is also worth doing sooner rather than later if you have diabetes, heart disease, or another condition that can be linked to ED.
There is a further reason not to wait, and it is an important one. Erectile dysfunction can be an early sign of a problem with the heart and blood vessels, because the same circulation that supplies an erection supplies the rest of the body. That is not a reason to panic. It is a reason to have it looked at, because doing so can be good for more than your sex life.
If the idea of the conversation is the hard part, it can help to know what it usually involves. Often it is mostly questions and a brief physical check, and sometimes a few routine blood tests to look for things like diabetes, cholesterol, or low testosterone. You can decline any test you are not comfortable with.
If you decide to go, a little preparation makes it easier. It helps to think in advance about when the difficulty started, whether it happens every time or only in some situations, whether anything else has changed in your health, and what medicines you take, since some can contribute. None of this is a test you have to pass. It is simply the information a doctor would otherwise have to draw out, and having it ready tends to make a short conversation more useful.
The one situation that is not about waiting at all is a painful erection that will not subside, as described at the top of this page. That is a reason to seek emergency care the same day. None of this means acting on anyone else’s timetable; it means the information is now in front of you, and the next step is yours to take when you are ready.
What are the treatment options?
The useful headline is that ED is common and, in many cases, treatable. The first step is usually not a prescription but a conversation, because the right approach depends on the cause. Broadly, the options a doctor may discuss include changes to daily habits, treating an underlying condition such as blood pressure or diabetes, oral medicines that improve blood flow, other medical treatments where those are not suitable, and support for the psychological side. The fit that works is the one matched to your particular situation, which is why an assessment comes first.
It is fair to want to know how long any of this will take. Here honesty helps more than reassurance: no responsible clinician will offer a timeline in advance. What can be offered is an assessment, a plan matched to the cause, and a point at which that plan is reviewed.
How do you get support in Switzerland?
A good place to start is a doctor: a GP, or a urologist, who focuses on this area. They can look for the cause, rule out anything that needs attention in its own right, and set out the options with you.
If you would rather begin more privately, ahtida Health is a structured digital medical clinic that includes sexual health among its areas of care, with Consultations available in German and English. You can learn more about sexual health care before deciding anything.
One reminder that applies throughout: ahtida Health is not an emergency service. For a medical emergency in Switzerland, call 144.
Frequently asked questions
Is erectile dysfunction a normal part of getting older?
How common is it, really?
Will it go away on its own?
Does ED mean there is something wrong with my heart?
Can younger men have ED too?
Is it embarrassing to bring up with a doctor?
Can changes to my habits alone be enough?
Do I need to have tried anything before I speak to someone?
Taking the next step, if you want to
Erectile dysfunction is one of the most common reasons people quietly avoid a doctor, and one of the more treatable once they no longer do. If you have read this far, you already have most of what you need to decide whether the next step is worth taking.
When you are ready, you can explore sexual health care. There is no pressure to decide on any next steps straight away.
References
World Health Organization. ICD-11 for Mortality and Morbidity Statistics: Male erectile dysfunction (HA01.1). 2025.
Cleveland Clinic. Erectile Dysfunction (ED). Last updated 28 August 2023.
Mayo Clinic. Erectile dysfunction: Symptoms and causes. 1 March 2025.