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Potential Herpes Triggers

Some of the following factors may triggers genital herpes symptoms:

  • Sexual intercourse. Some people find that the friction of sexual intercourse irritates the skin and brings on symptoms. Using a water-based lubricant can help reduce irritation. Don't use one that contains the spermicide nonoxynol-9, however. Nonoxynol-9 can irritate mucous membranes, such as the lining of the vagina. Oil-based lubricants are a no-no, too. They weaken latex, making condoms more likely to break. Even if the friction of intercourse seems to be a trigger for symptoms, it probably won't cause a flare-up every time.
  • Colds and sunlight. The common cold and sunlight seem to trigger outbreaks of oral herpes (cold sores), but no proof exists that they trigger genital herpes outbreaks.
  • Hormones. Hormonal changes, like those that occur in the menstrual cycle, can affect genital herpes outbreaks.
  • Surgery, weak immune system. Trauma to the body, such as having surgery, may make herpes symptoms appear. Having a weakened immune system does, too. People whose immune systems are weakened by HIV or chemotherapy, for example, tend to have outbreaks more often than people with normal immune functioning.

Remember that triggers may not be the same for everyone, and doctors are not certain how much lifestyle affects herpes symptoms. If you think one triggers your symptoms, ask your doctor what you should do about it.

Recommended Related to Genital Herpes

Genital Herpes and Your Doctor Visit

You may want to print out this page and take it with you to your appointment. These illustrations will help you follow the discussion with your health care provider. Also, the doctor may ask you these questions during your office visit. Take the time to go over them now, so you can get the most out of the time you spend in the exam room. Do you get cold sores? Have you had sores or rashes anywhere between the waist and mid-thigh? Do you have such symptoms now, and if so, when did the...

Read the Genital Herpes and Your Doctor Visit article > >

For more guidance about relieving emotional stress, see How To Tell Your Partner or What to Do if Your Partner Has Herpes.

You may also find reassurance by clicking on Re-Entering the Dating Scene and Sex and Herpes.

For more information and help understanding words you may hear about genital herpes, see Resources and the Glossary.

WebMD Medical Reference

Reviewed by Traci C. Johnson, MD, FACOG on September 30, 2014
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