Diabetes does not just mess with your blood sugar. It can also slowly damage nerves and blood vessels essential for achieving an erection and this happens years before it should. Wiley Online Library shows that over half of men suffering from diabetes are also dealing with erectile dysfunction (ED) and it tends to show up 10 to 15 years earlier than in men without diabetes. So, does diabetes cause erectile dysfunction? The answer is yes. And it does so mainly due to nerve damage, although doctors rarely mention it as a possibility. Here, DirectMeds will provide you with everything you need to know about diabetes and erectile dysfunction & how they are linked
Diabetes and Erectile Dysfunction at a Glance
- A meta-analysis of 145 studies with a total of 88577 men found that the overall occurrence of erectile dysfunction (ED) with diabetes amounts to 52.5%. The occurrence is 37.5% for type-1 and 66.3% for type-2 diabetes.
- Diabetic men are approximately 3.6 times more likely to develop erectile dysfunction compared to men without diabetes.
- The occurrence of diabetes related erectile dysfunction varies from 35.8% to 86.1% across various parts of the world and the types of studies conducted.
- ED occurred 10 to 15 years before in men with diabetes compared to men without diabetes.
- In one of the NCBI conducted studies, ED was observed in 23% of the cases of men having recently diagnosed diabetes as compared to 11% occurring in cases of men without this disease.
- As of 2022 to 24, about 1.3 million Australians are suffering from diabetes and men face type 2 diabetes 1.3 times more often than women do, according to AIHW.
Does Diabetes Cause Erectile Dysfunction?
Indeed, diabetes is one of the most prevalent medical reasons for erectile dysfunction in males. Long-term increased sugar levels damage the tiniest nerves and blood vessels that make it possible to obtain and maintain an erection. This suggests that erectile dysfunction is often one of the first signs that one has diabetes, much of the time emerging before an individual has even realized that their sugar levels are off.
Can Type 2 Diabetes Cause Erectile Dysfunction?
Type 2 diabetes is intimately associated with erectile dysfunction. According to the biggest meta-analysis of the relevant topic, 66.3% of those with Type 2 diabetes have erectile dysfunction, whereas the same holds for 37.5% of those with Type 1 diabetes. The duration of the illness and the intensity of blood sugar control directly contribute to the higher possibility of erectile dysfunction occurrence.
Why Does Diabetes Cause Erectile Dysfunction? The Nerve Damage Link
Both nerve messages and efficient blood vessels are crucial to the erection process. Erection occurs due to:
1. Nerve damage (diabetic neuropathy)
With the rise of blood sugar levels over time, the small nerves that deliver impulses between the brain and penis become damaged. This condition is referred to as diabetic neuropathy and it is believed that 60% to 70% of diabetes patients experience some degree of nerve damage when this happens. Without the signals from the nerves, the body does not recognize that it needs to have an erection anymore even if the person is physically stimulated and sexually aroused.
2. Blood vessel damage (vascular disease)
Diabetes causes an acceleration in the process of the blood vessel walls getting damaged. Endothelial dysfunction could lead to narrowing of the arteries found in the organ. The arteries involved in the erection process are smaller than the arteries found in the heart. This is why sometimes the signs of erectile dysfunction could point towards a more serious condition.
3. Hormonal changes
Individuals with diabetes, and particularly obese individuals with diabetes, may suffer from low testosterone levels which may have a negative impact on the desire for sex and the ability to have or maintain an erection.
4. The psychological layer
Dealing with a chronic illness like diabetes as well as the psychological effects of erectile dysfunction can add to the difficulty of living with this condition.
Is Diabetes Associated with Erectile Dysfunction the Same for Everyone?
Not really. The risk of erectile dysfunction increases with both the duration and degree of diabetes. The table below lists the most common diabetes profiles and their respective risk of erectile dysfunction.
Diabetes Profile | Typical Impact on Erectile Function | Relative ED Risk |
Type 1 diabetes | Nerve and vascular changes develop more gradually; ED prevalence around 37.5% | Elevated vs non diabetic men |
Type 2 diabetes | Often combined with obesity, high blood pressure and cholesterol with ED prevalence around 66.3% | Highest of the diabetes subtypes |
Well controlled diabetes (in target HbA1c range) | Slower nerve and vessel damage and erectile function often better preserved | Lower, but still above baseline |
Long standing & poorly controlled diabetes | Greater cumulative nerve and blood vessel damage; ED often more severe and harder to treat | Highest overall |
Does Type 2 Diabetes Impact the Treatment of Erectile Dysfunction?
Indeed, the presence of diabetes not only increases the risk of having erectile dysfunction but may also make the standard treatment less effective for the patient. Thus, the management of erectile dysfunction in men with diabetes studies show that diabetic patients respond worse to the initial treatment with the use of PDE5 inhibitors than those who do not suffer from diabetes due to the destruction of the blood vessels and nerves. Nevertheless, it does not mean that the treatment will not work, but a doctor has to investigate the dosage and blood sugar control to get a good result.
Is It Possible to Cure Erectile Dysfunction Caused by Type 2 Diabetes?
In many cases, it can be treated completely especially with early diagnosis when diabetes is still in its early stage. If erectile dysfunction is caused mainly by high blood glucose levels rather than the long term damage to the neurons or blood vessels, it can greatly improve once blood sugar levels come back to normal ranges. Improvements in glucose control a change in lifestyle like losing weight, avoiding smoking and exercising regularly can help restore blood vessels' and nerves' function over time. However, when diabetes has caused significant and long-lasting damage, the chance for recovery is lower, but ED is still subject to treatment in case of diabetes.
- From weeks to several months: controlling blood sugar would bring some improvement in the function of neurons and blood vessels.
- From 3 to 6 months: lifestyle changes lead to a greater improvement in erectile function.
- Long lasting nerve damage: might not be treated completely but can be treated successfully with medical assistance.
Diabetes and Erectile Dysfunction in Australian Men
Diabetes presents a major challenge for men in Australia. Almost 1.3 million Australians aged 18 years and above were living with diabetes during 2022-2024, and it appears that, at least compared to women, men have a higher chance of getting Type 2 diabetes. Statistics from 2022 show that the prevalence of Type 2 diabetes stands at 6.0% for men and 4.5% for women. Since ED and diabetes are strongly correlated in existing research, it makes ED a significant health issue (although it does not get discussed as much as it should) for many men with diabetes in Australia.
Signs Nerve Damage Could Be Behind Your ED
- Numbness or some tingling sensation along with reduced sensation in the feet, hands, or sexual organs
- A tendency to experience weaker penile erections than before or to have more difficulties in maintaining such erections
- An inability to feel anything during sexual intercourse even though one got sexually aroused
- The development of erectile dysfunction as a gradual issue over the course of months and years
When to See a Doctor
Erectile dysfunction in diabetic men is not something that should be ignored. You should consult a doctor if:
- You have diabetes and are experiencing brand new or worsening erectile problems
- There is numbness or tingling present in your arms or legs in addition to ED
- You’ve been having trouble controlling your blood sugar
- ED is affecting your confidence and/or your emotional well being
A doctor can conduct tests to evaluate HbA1c, cardiovascular risk factors, and testosterone levels to create a tailored treatment plan that will work for both your diabetes and ED.
Frequently Asked Questions
Does diabetes cause erectile dysfunction in every man who has it?
No, because diabetes increases the chance of experiencing erectile dysfunction, not every person with diabetes suffers from this condition. The risk depends on such factors as duration of diabetes, history of blood sugar management, smoking habits, body weight and blood pressure.
Can type 2 diabetes cause erectile dysfunction even if blood sugar is well controlled?
The risk of developing erectile dysfunction due to diabetes is lower, but not eliminated. In other words, blood sugar control decreases the likelihood of developing erectile dysfunction and delays the problem, but this is not the only factor at play in this matter. For instance, duration of diabetes, blood pressure and heart condition also contribute to the problem.
Is erectile dysfunction always the first sign of diabetes-related nerve damage?
Not always, although erectile dysfunction may indeed occur in a person before they become aware of any other diabetic complications related to nerves, the reason is that the blood vessels surrounding the penis are smaller than those in other organs and therefore are damaged earlier.
Can type 2 diabetes erectile dysfunction be reversed with weight loss?
Weight loss, along with exercise and dietary changes, may improve erectile dysfunction, provided that the damage to the nerves is not too serious already.
Do ED medications work as well for men with diabetes?
ED medications work for men with diabetes, yet sometimes diabetic men do not respond to regular ED medications due to their nerve damage and vascular damage. A doctor may require changing the approach or seeking alternative options for treatment.
