Viagra Treatment for Diabetic Men with ED

Erectile dysfunction affects up to 75% of men with diabetes, making it one of the most common complications of the condition. Viagra (sildenafil) can be an effective treatment option for diabetic men experiencing ED. Understanding how diabetes affects erectile function and how Viagra works can help men make informed decisions about their treatment. EverydayMeds offers both branded Viagra and generic sildenafil following a clinical consultation with UK-licensed prescribers.

  • Clear explanation of how diabetes causes erectile dysfunction, and how common it really is
  • Honest look at how effective Viagra and sildenafil are for diabetic men, not just for men in general
  • Covers the cardiovascular and blood sugar considerations specific to diabetic men starting treatment
  • GPhC-registered UK pharmacy, free online consultation with UK-licensed prescribers
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Sildenafil
~60 min
~4 hrs
you like to plan ahead
Tadalafil (as-needed)Most prescribed
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up to 36 hrs
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Tadalafil Daily
always active
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you never want to think about timing
Vardenafil
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you want the fastest onset

How ED treatment works in your body.

Increases blood flow

Increases blood flow

When PDE5 is suppressed, blood is able to flow more freely through the body—including to the (you guessed it) penis.

Increase erections

Increase erections

More blood flow to the penis means harder, more satisfying erections once you're sexually stimulated.

Erectile dysfunction (ED) is more common in men with diabetes than in men without diabetes, and Viagra (sildenafil) is an established treatment option for ED. Diabetes can affect the blood vessels and nerves involved in getting and maintaining an erection, which may mean that ED develops earlier or can be more difficult to manage in some men with diabetes.

This guide explains how diabetes can affect erectile function and sexual health, how common ED is among men with diabetes, how Viagra and sildenafil may help, and what additional factors, including cardiovascular health and long term blood sugar control, may need to be considered.

EverydayMeds offers both branded Viagra and generic sildenafil following a clinical consultation with UK registered prescribers. A prescriber can assess your individual circumstances, including your diabetes management, and review your current medicines before deciding whether treatment is appropriate for you.

Key things to know

  • More than half of men with diabetes experience erectile dysfunction, with NHS patient information reporting that this may rise to over 75% among men with diabetes aged over 70.
  • Diabetes UK reports that men with diabetes are around three times more likely to experience problems getting or keeping an erection than men without diabetes.
  • Erectile dysfunction may develop at a younger age in men with diabetes than in men without diabetes.
  • Viagra and sildenafil can help some men with diabetes and ED, although response to treatment can vary and may be lower in some men with diabetes than in men without diabetes.
  • A cardiovascular assessment can be particularly important before starting ED treatment because diabetes is associated with an increased risk of cardiovascular disease.

How Common Is Erectile Dysfunction in Men with Diabetes?

Erectile dysfunction is a common problem among men with diabetes. NHS patient information reports that ED affects more than half of men with diabetes, with the figure rising to more than 75% among men over 70 with diabetes. Diabetes UK also reports that men with diabetes are around three times more likely to have difficulty getting or maintaining an erection than men without diabetes.

ED may also develop at a younger age in men with diabetes. Some research suggests that erectile problems can occur around 10 to 15 years earlier in men with diabetes than in men without diabetes. The risk can vary depending on factors such as the type and duration of diabetes, blood sugar control and other health conditions.

ED can affect men with both type 1 and type 2 diabetes. If you are experiencing ongoing problems with erections, it is worth speaking to your GP or another healthcare professional, as ED can sometimes be linked to underlying health or cardiovascular factors.

Why Diabetes Increases the Risk of ED

Diabetes can affect erectile function in several ways. Persistently high blood sugar levels can damage blood vessels over time, including the small blood vessels that supply the penis. This can reduce the blood flow needed to achieve or maintain an erection.

Diabetes can also cause nerve damage, known as diabetic neuropathy. When the nerves involved in sexual arousal and erections are affected, the signals needed for an erection may not work as effectively.

Men who have had diabetes for many years or who have difficulty controlling their blood sugar may have a higher risk of ED. However, erectile problems can have several causes, so having diabetes does not necessarily mean that it is the only reason for ED.

Other factors linked to diabetes, such as high blood pressure, high cholesterol and being overweight, can also affect blood vessel health and may contribute to erectile difficulties.

Over time, diabetes can affect the nerves and blood vessels involved in sexual function, which may contribute to erectile dysfunction and other sexual health concerns.

How Viagra Works for Diabetic Men

Viagra contains sildenafil citrate, a PDE5 inhibitor. It works by supporting the natural processes that increase blood flow to the penis during sexual arousal. For men whose ED is partly related to reduced blood flow, this can make it easier to achieve and maintain an erection when sexually stimulated.

However, Viagra does not treat the underlying nerve or blood vessel damage caused by diabetes. It also does not cause an automatic erection, so sexual stimulation is still needed for it to work.

Sildenafil is commonly taken around 30 to 60 minutes before sexual activity, although the time it takes to start working can vary. Its effects may last for up to around 4 hours in many men, with the effect gradually reducing over time. This does not mean that you will have an erection for 4 hours. Instead, sildenafil may support an erection during sexual stimulation within this period.

How Effective Is Viagra for Diabetic Men?

Clinical evidence suggests that Viagra and sildenafil can help many men with diabetes related erectile dysfunction, although the response may be somewhat lower than in men without diabetes. This does not mean that treatment will not work for you. How well it works can vary depending on factors such as the severity of ED, the effects of diabetes on the nerves and blood vessels, other health conditions and your individual response to treatment.

Blood glucose control may also play a role in overall sexual health. Keeping blood glucose within the range recommended by your diabetes care team can help reduce the risk of long term damage to the blood vessels and nerves involved in erectile function. If you have diabetes and ED, managing both conditions with your healthcare team can be an important part of your overall care.

Cardiovascular Safety Considerations for Diabetic Men

Diabetes is associated with a higher risk of cardiovascular disease, so cardiovascular health is an important consideration when sildenafil is being prescribed. Sildenafil can also lower blood pressure, which means your prescriber may need to consider your blood pressure, heart health, other medical conditions and current medicines before recommending treatment.

Make sure you give your prescriber a complete list of the medicines you take, including medicines for diabetes, blood pressure and heart conditions. Some medicines can interact with sildenafil. Nitrate medicines, such as GTN and isosorbide, must not be taken with sildenafil because the combination can cause a serious drop in blood pressure.

Sildenafil may not be suitable for some people with serious or unstable heart conditions. If you have a history of heart disease, recent heart problems, very low blood pressure or other cardiovascular concerns, discuss these with your prescriber before using sildenafil.

Blood Sugar Control, Food Timing and ED Treatment

A heavy or high fat meal can delay the absorption of sildenafil, which may mean that it takes longer to start working. This can be useful to keep in mind if you are also planning your meals around your diabetes management. You do not usually need to make specific changes to your diabetes diet simply because you are taking sildenafil.

Long term blood glucose control is important for protecting the blood vessels and nerves involved in erectile function. If your blood glucose levels have changed recently, your diabetes treatment has been adjusted, or you have recently been diagnosed with diabetes, tell your prescriber during your consultation.

Your prescriber can then consider your current diabetes treatment, other medicines and overall health when assessing whether sildenafil is suitable for you.

Other Treatment Options Alongside Viagra

Viagra and generic sildenafil are not the only treatment options for erectile dysfunction. Depending on your circumstances, your prescriber may consider other PDE5 inhibitors, including tadalafil, vardenafil or avanafil. These medicines work in a similar way, but their onset, duration and suitability can differ.

For example, tadalafil generally lasts longer than sildenafil, which may be useful for some people who prefer a longer treatment window. The best option depends on your health, other medicines, preferences and how you respond to treatment.

If PDE5 inhibitors are not suitable or do not work well enough, other options may also be available. These can include vacuum erection devices and, in some cases, penile implants. Lifestyle measures such as staying physically active, maintaining a healthy weight and not smoking can also support overall cardiovascular and sexual health.

Your healthcare professional can help you understand which options may be appropriate rather than relying on a single treatment.

Getting Treatment at EverydayMeds

EverydayMeds offers both branded Viagra and generic sildenafil, which contain the same active ingredient, sildenafil. Generic sildenafil is bioequivalent to Viagra and is expected to provide the same clinical effect when used appropriately. The main difference is generally the price and branding.

Treatment starts with a clinical consultation with UK licensed prescribers. They can review your medical history, current medicines, diabetes management and other health conditions before deciding whether treatment is appropriate for you.

This assessment is particularly useful if you have diabetes, as you may be taking several medicines or have other health factors that need to be considered before starting treatment.

Available Treatments

TreatmentPrice from
Sildenafil£3.99
Cialis Together£16.99
Viagra Connect£21.99
Spedra£22.99
Viagra£27.99
Vardenafil£27.99
Levitra£32.99
Tadalafil£34.99
Cialis£44.99
Cialis Daily£89.99

Prices update live and may change.

Medical Disclaimer

This page provides general information about erectile dysfunction in men with diabetes and the use of Viagra or sildenafil. It is not a substitute for personalised medical advice, diagnosis or treatment.

If you have diabetes and are considering an ED medicine such as sildenafil, your prescriber should assess your overall health, including your cardiovascular health, current medicines and any other relevant conditions, before recommending treatment.

Tell your prescriber about all medicines, supplements and herbal remedies you take. Grapefruit or grapefruit juice may affect sildenafil levels, so discuss your usual diet and any concerns with your prescriber.

If you experience chest pain, sudden changes in vision or hearing, or an erection lasting more than 4 hours, seek urgent medical attention.

What you need to know about erectile dysfunction

It's one of the most common conditions we treat, and one of the most treatable.

What is Erectile Dysfunction?
ED means finding it hard to get or keep an erection firm enough for sex. It's not unusual to have an off night; the point at which it's worth doing something is when it's happening regularly, or when it's starting to bother you.
How will I feel when I take ED medication?
For most men, nothing feels different day to day. The medication works in the background — when you're sexually aroused, it helps blood flow where it's needed, so erections come more easily and last longer. It doesn't cause arousal on its own. Some men notice mild, short-lived effects like a headache, facial flushing or a stuffy nose, which usually pass as the dose wears off.
Why do I need a prescription for ED medication?
ED treatments are prescription-only medicines in the UK because they aren't suitable for everyone — for example, alongside certain heart conditions or medications like nitrates. That's why we ask you to complete a short online consultation first. A UK-registered prescriber reviews your answers to make sure your chosen treatment is safe and right for you before it's dispensed.
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