My WebMD Sign In

Please enter email address

Enter your password

Keep me signed in on this computer

Show more Information

If you select "Keep me signed in on this computer", every time you visit WebMD.com you won't have to type your email address and password. This means that a cookie will stay on your computer even when you exit or close your browser which may reduce your levels of privacy and security. You should never select this option if you're using a publicly accessible computer, or if you're sharing a computer with others. Even if you select this option there are some features of our site that still require you to log in for privacy reasons.

Forget your password? Having trouble signing in?

Why should I
sign up for WebMD?

With a WebMD Account you can:

Track your way to weight loss success
Manage your family's vaccinations
Join the conversation

See more benefits Sign Up

Why WebMD?

My WebMD

Show Menu

Facebook Twitter Pinterest

WebMD Home

Erectile Dysfunction Community

Report this pic

Sheldon Marks, MD

Joined: 02/03/2010

Expert Profile:

Sheldon Marks, MD, is a microsurgical specialist and a specialist in the diagnosis and treatment of prostate cancer. He is a diplomate of the American Board of Urology. He began performing microsurgical reversals in 1983 while at the Mayo Clinic in Rochester, Minn., and has specialized in microsurgical vasectomy reversals since 1991. While at Mayo, Marks completed a rotation in gynecologic surgery and infertility microsurgery, assisting with tubal reversals. Marks was a resident and then chief resident in urology at Tufts University School of Medicine/New England Medical Center in Boston. While in Boston, Marks was able to participate in a number of vasectomy reversals. Marks has enjoyed a private practice in Tucson, Ariz., since 1987.

He is a member of a number of national and international fertility and urologic societies, including the Society of Reproductive Surgeons, the American Society of Andrology, the American Society of Reproductive Medicine, the Society for the Study of Male Reproduction, the Society for Male Reproduction and Urology, the American Urologic Association, Western Section of the American Urologic Association, Societé d'Urologie Internationale, and the European Urology Association. He writes and lectures nationally on prostate cancer, urinary incontinence, vasectomy reversals, and related topics. Marks is the author of Prostate and Cancer: A Family Guide to Diagnosis, Treatment, and Survival.

Report This

Latest Activity

Filter by:

Reply: penile implants

When I implanted these I never had a single man who regretted having one put in....

Posted by Sheldon Marks, MD

2 Replies | Reply | Watch This DiscussionReport This| Share this:penile implants When I implanted these I never had a single man who regretted having one put in....

Reply: non responsive

Yes they are. Plus the problems you take them for are contributing, such as a...

Posted by Sheldon Marks, MD

1 Reply | Reply | Watch This DiscussionReport This| Share this:non responsive Yes they are. Plus the problems you take them for are contributing, such as a...

Reply: visectomy

As one of a few doctors in the US that specializes full time exclusively in...

Posted by Sheldon Marks, MD

3 Replies | Reply | Watch This DiscussionReport This| Share this:visectomy As one of a few doctors in the US that specializes full time exclusively in...

Reply: blood in sperm

Blood in the semen is common, scary as hell and usually means nothing. If it is...

Posted by Sheldon Marks, MD

40 Replies | Reply | Watch This DiscussionReport This| Share this:blood in sperm Blood in the semen is common, scary as hell and usually means nothing. If it is...

Reply: enlarge prostate medications

Alpha blockers to relax the muscles within the prostate like Flomax and Uroxatral...

Posted by Sheldon Marks, MD

1 Reply | Reply | Watch This DiscussionReport This| Share this:enlarge prostate medications Alpha blockers to relax the muscles within the prostate like Flomax and Uroxatral...

Reply: penile implant

failure is a normal part of mechanical devices. for most men, the first time is...

Posted by Sheldon Marks, MD

1 Reply | Reply | Watch This DiscussionReport This| Share this:penile implant failure is a normal part of mechanical devices. for most men, the first time is...

Reply: hi

Kidney stones as they pass can cause pain and burning anywhere along the urinary...

Posted by Sheldon Marks, MD

1 Reply | Reply | Watch This DiscussionReport This| Share this:hi Kidney stones as they pass can cause pain and burning anywhere along the urinary...

Reply: PENIS BRUISING

This makes me worry about an injury to one of the chambers in the penis that...

Posted by Sheldon Marks, MD

1 Reply | Reply | Watch This DiscussionReport This| Share this:PENIS BRUISING This makes me worry about an injury to one of the chambers in the penis that...

Reply: Couple problems

It is always possible but 99% of the time obesity is the cause. you can often...

Posted by Sheldon Marks, MD

6 Replies | Reply | Watch This DiscussionReport This| Share this:Couple problems It is always possible but 99% of the time obesity is the cause. you can often...

Reply: ED Problem...Hernia??

Groin an testicle pain could be a hernia- you need to see a doctor for an exam to...

Posted by Sheldon Marks, MD

2 Replies | Reply | Watch This DiscussionReport This| Share this:ED Problem...Hernia?? Groin an testicle pain could be a hernia- you need to see a doctor for an exam to...

1 2 3 45

See Related Men's Health Communities

See All Communities

Women's Health Newsletter

Find out what women really need.

Other Erectile Dysfunction Information

The opinions expressed in WebMD User-generated content areas like communities, reviews, ratings, or blogs are solely those of the User, who may or may not have medical or scientific training. These opinions do not represent the opinions of WebMD. User-generated content areas are not reviewed by a WebMD physician or any member of the WebMD editorial staff for accuracy, balance, objectivity, or any other reason except for compliance with our Terms and Conditions. Some of these opinions may contain information about treatments or uses of drug products that have not been approved by the U.S. Food and Drug Administration. WebMD does not endorse any specific product, service, or treatment.

Do not consider WebMD User-generated content as medical advice. Never delay or disregard seeking professional medical advice from your doctor or other qualified healthcare provider because of something you have read on WebMD. You should always speak with your doctor before you start, stop, or change any prescribed part of your care plan or treatment. WebMD understands that reading individual, real-life experiences can be a helpful resource, but it is never a substitute for professional medical advice, diagnosis, or treatment from a qualified health care provider. If you think you may have a medical emergency, call your doctor or dial 911 immediately.