Syphilis

What Increases Your Risk

Your risk of syphilis increases if you:3

  • Have unprotected sex (do not use condoms or do not use them correctly). This risk is especially high among men who have unprotected sex with other men.5
  • Have multiple sex partners, particularly if you live in an area of the country where syphilis is more common.
  • Have a sex partner who has syphilis.
  • Have sex with a partner who has multiple sex partners.
  • Exchange sex for drugs or money.
  • Have human immunodeficiency virus (HIV) infection and engage in any of the behaviors above.

Syphilis is contagious whenever an open sore or skin rash is present. The risk of being infected with syphilis from a single sexual encounter with an infected partner is approximately 3% to 10%.6

Infection with syphilis also increases a person's risk of being infected with HIV. Syphilis causes open sores on the genitals that allow the HIV infection to enter the body easily. Syphilis is generally more common in people who are also infected with HIV.


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Author: Kathe Gallagher, MSW Last Updated: October 2, 2007
Medical Review: Kathleen Romito, MD - Family Medicine
Jeanne Marrazzo, MD, MPH - Infectious Disease

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Topic Contents
 Topic Overview
 Cause
 Symptoms
 What Happens
Arrow PointerWhat Increases Your Risk
 When To Call a Doctor
 Exams and Tests
 Treatment Overview
 Prevention
 Home Treatment
 Medications
 Surgery
 Other Treatment
 Other Places To Get Help
 Related Information
 References
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