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Treatments and drugs
By Mayo Clinic staffWhen diagnosed and treated in its early stages, syphilis is easy to cure. The preferred treatment at all stages is penicillin, an antibiotic medication that can kill the organism that causes syphilis. If you're allergic to penicillin, your doctor will suggest another antibiotic.
A single injection of penicillin can stop the disease from progressing if you've been infected for less than a year. If you've had syphilis for longer than a year, you may need additional doses.
Penicillin is the only recommended treatment for pregnant women with syphilis. Women who are allergic to penicillin can undergo a desensitization process that may allow them to take penicillin. Even if you're treated for syphilis during your pregnancy, your newborn child should receive antibiotic treatment. Penicillin is the standard treatment for infants and children with congenital syphilis.
The first day you receive treatment you may experience what's known as the Jarisch-Herxheimer reaction. Symptoms include fever, chills, nausea, achy pain and headache. This reaction usually doesn't last more than one day.
Treatment follow-up
After you're treated for syphilis, your doctor will ask you to:
- Have periodic blood tests and exams to make sure you're responding to the usual dosage of penicillin. Typically, these follow-up tests are done six months and 12 months after treatment, but may be done more often. Follow-up testing may continue for two years in some cases.
- Avoid sexual contact until the treatment is completed and blood tests indicate the infection has been cured.
- Notify your sex partners so that they can be tested and get treatment if necessary.
- Be tested for HIV infection.
- 2006 syphilis surveillance report. Centers for Disease Control and Prevention. http://www.cdc.gov/std/Syphilis2006/default.htm. Accessed Oct. 21, 2008.
- Syphilis: Questions and answers. American Social Health Association. http://www.ashastd.org/learn/learn_syphilis.cfm. Accessed Oct. 21, 2008.
- Syphilis. National Institute of Allergy and Infectious Diseases. http://www3.niaid.nih.gov/topics/syphilis. Accessed Oct. 21, 2008.
- Syphilis & MSM (men who have sex with men). Centers for Disease Control and Prevention. http://www.cdc.gov/STD/syphilis/STDFact-MSM&Syphilis.htm. Accessed Oct. 21, 2008.
- Syphilis. National Women's Health Information Center. http://www.womenshealth.gov/faq/syphilis.cfm. Accessed Oct. 21, 2008.
- French P. Syphilis. British Medical Journal. 2007;334:143.
- Syphilis. Planned Parenthood. May 19, 2008. http://www.plannedparenthood.org/health-topics/stds-hiv-safer-sex/syphilis-4281.htm.
- Meyers D, et al. USPSTF recommendations for STI screening. American Family Physician. 2008;77(6):819.
- Chakraborty R, et al. Syphilis is on the increase: The implications for child health. Archives of Diseases in Children. 2008:93(2):105.
- Syphilis. Centers for Disease Control and Prevention. December 2007. http://www.cdc.gov/std/syphilis/STDFact-Syphilis.htm. Accessed Oct. 21, 2008.
- Syphilis. Lab Tests Online. http://www.labtestsonline.org/understanding/analytes/syphilis/multiprint.html. Accessed Oct. 21, 2008.
- Syphilis. In: Sexually transmitted diseases treatment guidelines, 2006. Morbidity and Mortality Weekly Report. 2006;55(RR-11):22. http://www.cdc.gov/STD/treatment/. Accessed Oct. 21, 2008.
- Congenital syphilis. In: Sexually transmitted diseases treatment guidelines, 2006. Morbidity and Mortality Weekly Report. 2006. 55(RR-11):30-33. http://www.cdc.gov/STD/treatment/. Accessed Oct. 21, 2008.
