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This information is provided by an independent source. Merck & Co., Inc. is not responsible for this content. The information provided on these various health topics is not intended to be a substitute for professional medical advice. You should always contact your health or medical practitioner to get the most accurate information about your condition. This information should not be used to make a diagnosis. Please discuss any and all treatment options with your healthcare professional.

Understanding Erectile Dysfunction

Understanding Erectile Dysfunction



Are you having a problem getting or keeping an erection? This is called erectile dysfunction (ED). Many men have ED sometime during their lives. It can be discouraging, but it can also be treated. Read on to learn more about ED. Share this information with your partner if you can. And work with your doctor to find the best treatment for you. In most cases, ED is a problem that men don't have to live with.


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Your doctor is your best source of information about ED. Be sure to read the information here to learn more. And ask your doctor any questions you or your partner may have.

A Common Problem...

Any man can experience ED at any time during his adult life. An erection problem may happen once in a while, or all the time. Either way, your doctors can help. You might visit your regular doctor. Or you may be referred to a urologist (a doctor who specializes in the urinary tract and the male sexual organs).


...With Many Causes

To find the cause of your ED, your doctor will evaluate you. Knowing the cause will help your doctor choose a treatment. Causes of ED may include:

  • Using certain medications, such as sedatives, tranquilizers, blood pressure medications, or diuretics

  • Smoking tobacco or marijuana

  • Drinking too much alcohol

  • Injury to nerves or blood vessels

  • Having an illness, such as diabetes, alcoholism, depression, or a prostate problem

  • Feeling stress over a recent hardship or lifestyle change


ED Can Be Treated

Based on your evaluation, you and your doctor will discuss your treatment options. Your partner can meet with your doctor, too. Together, you'll decide on treatment. Your treatment options may include:

  • Medications

  • Erectile aids

  • Surgery

  • Counseling
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Upcoming Treatments

New treatments for ED are being studied. These include new medications, gels, and patches. So stay in contact with your doctor. If your symptoms persist, he or she may be able to adjust your current treatment or prescribe something new.



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This information is not intended as a substitute for professional medical care.
Only your doctor can diagnose and treat a medical problem.
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