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U-M Health SystemThis information is approved and/or reviewed by U-M Health System providers but it is not a tool for self-diagnosis or a substitute for medical treatment. You should speak to your physician or make an appointment to be seen if you have questions or concerns about this information or your medical condition.

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Diabetes and Sexual Health

How are diabetes and sexual function related?

Diabetes may affect the sexual function of both men and women.

Men who have diabetes can have a problem with impotence. Impotence occurs in men with type 1 diabetes as well as in in those with the type 2 diabetes.

Changes may be more subtle in women with diabetes. They may find it become more difficult for them to have an orgasm.

Keeping blood sugar and blood pressure levels close to the normal range are important ito reduce the risks for further complications.

How does diabetes affect sexual function?

In men, diabetes can lead to hardening and narrowing of the blood vessels that supply the spongy (erectile) tissue of the penis. This tissue swells and stiffens the penis during an erection. The decreased blood flow to the penis may cause erectile problems. For example, the penis may be less rigid during erection.

In women, diabetes can lead to hardening of the blood vessels of the vaginal wall. This decreased blood flow due to diabetes may cause the vagina to be too dry during arousal. Dryness and high blood sugar levels make it more likely that a woman with diabetes will develop recurring yeast infections. Women may notice that they are not as easily aroused and that they have less sensitivity to touching and stroking.

In women, the combination of diabetes and menopause may cause:

  • a decrease in vaginal blood supply due to low estrogen levels
  • vaginal secretions that are less acidic and less protective, which may lower the resistance to normal bacteria in the vagina, increasing the risk of yeast infection
  • glucose levels that may increase the risk for yeast infections.

How is the sexual dysfunction treated?

Keeping blood sugar levels close to the normal range may improve sexual function for both men and women.

Treatment for erectile dysfunction may include:

  • taking medication
  • using a vacuum device to draw the blood to the erectile tissues and then putting a band around the penis to keep penis erect. The band is not be left on for longer than 20 to 30 minutes at a time. The penis becomes soft when the device is removed. Ejaculation response varies.
  • injecting medication into the erectile tissue of the penis to produce erections.
  • surgically implanting a device designed to improve the function of the penis if obstructed blood vessels cause problems
  • engaging in intercourse only when well rested (early morning hours may be better because testosterone levels are higher then)

Treatment for the menopausal woman with diabetes may include hormone replacement therapy. Estrogen helps keep blood flowing in vaginal tissues and provides an adequate level of acidity to protect against vaginal infections. Estrogen replacement therapy does have risks for some women. Discuss your risks and benefits with your doctor.

The treatment for painful intercourse includes:

  • treatment for vaginal infections (if they occur)
  • use of water-based lubricants such as KY jelly for vaginal dryness (do not use Vaseline.)
  • hormone replacement therapy.

Information provided (reviewed) by Martha Funnell, MS, RN, CDE, Michigan Diabetes Research and Training Center, October, 2002.


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This content is reviewed periodically and is subject to change as new health information becomes available. The information is intended to inform and educate and is not a replacement for medical evaluation, advice, diagnosis or treatment by a healthcare professional.

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