You know that you can find plenty of information online about any topic imaginable, including erectile dysfunction (ED). Sometimes, however, it is difficult to separate the authoritative, valuable information from hype or sales pitches, and this is especially true with a topic like ED.

If you are concerned about ED and want to educate yourself about its causes and treatments, you should stick to sites that aren’t trying to push and agenda or a product. Here are five top ED websites, listed in no particular order. Different people want different information, and these sites collectively provide a good variety of information on ED.

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1. AUA Foundation, the Official Foundation of the American Urological Association

This website focuses on non-surgical treatment of ED. You get a comprehensive overview of what ED is, how prevalent it is in the population, and importantly, what ED is not. Occasional difficulty achieving an erection is not the same thing as ED, and this site spells out why. You’ll find out exactly what happens physiologically during an erection, what the major risk factors are for ED, how other physiological conditions like heart disease and diabetes effect erectile health, and lifestyle choices that can contribute to ED.

The site also provides information about how treatments for diseases like prostate cancer, colorectal cancer, and peripheral neuropathy can contribute to ED. It discusses causes of ED, both physiological and psychological, and prescription, over-the-counter, and illicit drugs that affect erectile function. The site tells you how ED is diagnosed, and what to expect when you visit a family physician or urologist about ED.

It also explains what the popular ED drugs are, along with their side effects. Injectible drugs like alprostadil are covered, too. Additionally, the site discusses other non-surgical treatments, like vacuum pumps, and how advanced cases of ED are managed. There are links to numerous patient brochures and fact sheets, and a handy sidebar glossary so you can look up terms that are unfamiliar to you.

2. Mayo Clinic Website Section on Erectile Dysfunction

This website from the highly-regarded Mayo Clinic in Minnesota has a wealth of information about ED and an online community where men can openly discuss their experiences with ED and its treatments. There is an online symptom checker that may help you determine whether you have actual ED, or the typical occasional difficulties that are common to all men.

In the “Resources” section of the site, you can find vetted links to informative pages by urologists, sex education specialists, and even alternative medical practitioners. The “What’s New” section occasionally publishes articles about subjects of interest on topics like links between heart disease and ED. You can also find links to doctors who practice at Mayo and you can subscribe to health newsletters as well.

This site is a bit unwieldy to navigate, but once you find the pages you need, you’ll find them to be very informative.

3. National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC)

This website is a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), which is part of the U.S. National Institutes of Health. It gives an in-depth educational description of ED, including causes, risk factors, prevalence, and treatments. Men who have diabetes or kidney disease will find this website particularly helpful, though the information is useful in general. There are handy links to the National Diabetes Education Program and the National Kidney Disease Education Program.

You’ll find a link to the U.S. government’s clinical trials website to learn about any clinical trials regarding ED. There are also links and contact information for organizations like

• American Urological Association
• American Diabetes Association
• American Association of Sexuality Educators, Counselors, and Therapists

As a government-run website, the NKUDIC site is not allowed to endorse or favor any product or form of treatment, so this is a good site to get straightforward, unbiased information.

4. Impotence Specialists.com

This site is primarily a reference for men who want to see a physician about ED. The physicians selected for inclusion have to be Board Certified or Board Eligible urologists and they must have proven experience in treating erectile dysfunction. Physicians must be Fellowship Trained in erectile dysfunction, which involves an additional one to two years of training with prominent physicians in the field of ED, or they must be published in peer-reviewed medical journals. These physicians are considered to be on the leading edge of ED treatment and research.

A map-based specialist finder helps you find a qualified physician in your region, along with links to physician bios, qualifications, and contact information. The site also has a page of recommended links, associations, and educational books and videos about ED.

If you are unsure as to whether you actually have ED, you can take a self-assessment quiz. Likewise, if you’re not sure whether you should see your family physician or a specialist, there is a self-assessment quiz to help you make this decision as well.

5. Advanced Urological Care P.C.

This website is mostly geared toward urological surgery as a treatment for ED. It is under the purview of Dr. J. Francois Eid, MD, a urological surgeon in New York who specializes in surgical penile prostheses, and performs more than 300 of these surgeries each year. The site contains descriptions of the prostheses themselves, and the surgical procedure.

The site has pages of information about ED and its relationship with prostate cancer, heart disease, diabetes, and low testosterone levels. It also has PDFs that you can download about the types of implants used in ED surgery and about the technique that Dr. Eid uses.

Even for men who have no intention of visiting Dr. Eid, the site is a great resource for information about surgical treatment of ED. Surgical treatment is not considered a “first line” treatment the way ED drugs like Viagra, Levitra, and Cialis are, but for some men for whom those treatments don’t work, surgery is an option.

When you type the words “erectile dysfunction” into Google’s search engine, you get over 39 million results. It’s not easy to know how to separate good information from bad, but these five websites will give you a good start if you want to educate yourself about ED.

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Photo credits: Don DeBold, Victor1558, Windell Oskay