Can you take Viagra if you have diabetes?

Published on
13/5/26
Last update
26/5/2026
Summary

Erectile problems caused by diabetes? Find out how Viagra can help safely and why a medical check-up is essential right now.

Can you take Viagra if you have diabetes?

Men with diabetes are more likely to suffer from erectile dysfunction than men without diabetes. This is no coincidence: long-term high blood sugar levels damage both the blood vessels and the nerves necessary for a healthy erection. Viagra, also known as sildenafil, can help in many cases. However, particularly in the case of diabetes, it is important to take this medication under medical supervision. At Fellos, Dutch doctors support men with diabetes who suffer from erectile problems, ensuring they receive safe and effective treatment.

Why do men with diabetes experience erectile problems more frequently?

Erectile problems in diabetes can be a direct consequence of damage to the vascular system and nerve pathways. Studies show that erectile problems occur significantly more frequently in men with diabetes than in the general population, and that symptoms can appear even at a younger age. Over time, high blood sugar levels damage the small blood vessels that supply the penis with blood and impair the nerve signals that trigger the erectile response. General cardiovascular health also plays a role: high blood pressure, obesity and an abnormal cholesterol profile often go hand in hand with diabetes, and all these factors contribute to erectile problems.

Does Viagra help with erectile problems caused by diabetes?

Yes, sildenafil is a proven effective treatment even for men with diabetes. A meta-analysis shows that sildenafil significantly improves both the quality of erections and satisfaction with sexual life in men with diabetes who suffer from erectile problems. The drug acts as a PDE5 inhibitor: It relaxes the smooth muscle in the blood vessels of the penis, thereby increasing blood flow during sexual stimulation. The latter is important: sildenafil works exclusively in combination with sexual stimulation. The standard dose is 50 mg, taken about an hour before sexual intercourse, but the dose can be adjusted to 25 or 100 mg, depending on how well the medication works.

Is Viagra safe for men with diabetes?

For most men with diabetes, sildenafil is safe provided there are no absolute contraindications. The most important of these is the use of nitrates, such as certain heart medications or poppers. Combining these with sildenafil causes a dangerous drop in blood pressure and is absolutely contraindicated. The safety of sildenafil in diabetes has also been studied in men with additional cardiovascular risk factors, and this study shows that the medication is well tolerated when patients are carefully selected. Common side effects include headaches, hot flushes, a blocked nose and mild dizziness. At Fellos, a doctor always carries out a preliminary check for contraindications, so you will only be treated if it is safe to do so.

Does diabetes affect the effect of Viagra?

Diabetes can affect the effect of sildenafil to some extent. As nerve and vascular damage in diabetes is sometimes more extensive than in men without diabetes, not everyone responds equally strongly to the standard dose. Long-term use of sildenafil in men with diabetes shows that efficacy is well maintained over time, although it sometimes takes four to six doses before the medication works optimally. So there is no reason to conclude from the first attempt that it does not help. A doctor can adjust the dose or assess whether tadalafil is a better option, as tadalafil has a longer duration of action and can be taken daily.

What can you do yourself to improve erectile function?

In addition to medication, there are lifestyle changes that have a direct impact on erectile function. Better blood sugar control is the most important step: the more stable your blood sugar, the less damage to blood vessels and nerves. Regular exercise also helps to improve blood circulation and reduce insulin resistance. Quitting smoking has also been shown to have a positive effect on erectile function, as smoking puts additional strain on the blood vessels. Reducing alcohol intake, maintaining a healthy weight and getting enough sleep also help. These changes enhance the effect of medication and improve your overall sexual health in the long term.

How does Fellos help with erectile problems caused by diabetes?

Fellos offers a fully online process where you are guided by a Dutch doctor through the treatment of erectile problems. You complete a questionnaire, the doctor assesses your situation, including any medication and conditions such as diabetes, and creates a treatment plan tailored to your situation. If sildenafil or an alternative is suitable, it will be discreetly delivered to your home. No face-to-face visit is required and the entire process takes place via a secure online platform.

What do men with diabetes say about their experiences with Fellos?

Men who are treated via Fellos for erectile problems caused by diabetes say that the online process is easily accessible and that they finally have the courage to have the conversation they have been putting off for so long. Being looked after by a doctor who takes their medical situation seriously makes a huge difference. Many men find that they feel significantly better after a few weeks of use, even if things weren’t quite right the first time. The combination of medical care, a personalised treatment plan and discreet delivery is exactly what men with a chronic condition need: someone who thinks along with them, without making a fuss.

Regain confidence in your body with the help of Fellos

Erectile problems caused by diabetes are common, understandable and easily treatable. With the right medical care and a personalised treatment plan, you can rebuild your confidence in your body. Fellos allows you to tackle this discreetly and easily from home, under the guidance of a real doctor. Would you like to know what the best approach is for you? Fill in the intake form and find out within minutes which treatment is right for you.

Sources
  • Shah, P. C., & Trivedi, N. A. (2018). A meta-analysis on efficacy and tolerability of sildenafil for erectile dysfunction in patients with diabetes mellitus. Indian Journal of Sexually Transmitted Diseases and AIDS, 39(2). https://pubmed.ncbi.nlm.nih.gov/30187018/
  • Aversa, A., et al. (2007). Chronic sildenafil in men with diabetes and erectile dysfunction. Expert Opinion on Drug Metabolism & Toxicology, 3(3), 451-464. https://pubmed.ncbi.nlm.nih.gov/17539751/
  • Blonde, L. (2006). Sildenafil citrate for erectile dysfunction in men with diabetes and cardiovascular risk factors. Current Medical Research and Opinion, 22(11), 2111-2120. https://pubmed.ncbi.nlm.nih.gov/17076971/
  • Setter, S. M., et al. (1999). Sildenafil (Viagra) for the treatment of erectile dysfunction in men with diabetes. The Diabetes Educator, 25(3

Fellos adheres to strict editorial guidelines for sources to ensure the accuracy and timeliness of our content. Our content is based on scientific publications, research from academic institutions, and reputable medical organizations. If you notice an error, please let us know at care@fellos.nl.
 

This article is for informational purposes only and does not constitute medical advice. The information herein is not a substitute for professional medical advice and should never be relied upon. Always discuss the risks and benefits of any treatment with your doctor.

This content was last updated on

26/5/2026

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