All You Need to Know About Syphilis

What is syphilis?

Syphilis is an infection caused by the bacteria Treponema pallidum. It can lead to life-threatening conditions if it is not treated. Syphilis is a sexually transmitted infection (STI), which means that it is spread by having sex with an infected person. If you have syphilis, you can spread it to others. Both men and women can get the disease. Without treatment, the infection can lead to:

  • Heart disease
  • Nerve disorders
  • Brain damage
  • Mental disorders
  • Blindness
  • Aortic aneurysms

These complications develop over many years.

What are the symptoms of syphilis?

The symptoms of syphilis depend on the stage of the infection. The stages of syphilis are:

Primary syphilis

  • A smooth, red, painless sore — or chancre — develops on a sex organ or in the mouth. (The sore also can develop on the inside the body, where it cannot be seen.) The sore goes away on its own in 1 to 6 weeks.

Secondary syphilis

  • After the chancre goes away, a pinkish, bumpy skin rash may appear on all or parts of the body.
  • Fever, sore throat, body aches, headache, loss of appetite or other flu-like symptoms may appear. These symptoms can be mild and can come and go over 1 to 2 years.
  • This stage is the most contagious of all stages. Approximately 1/3 of untreated individuals with primary syphilis will progress to this second stage. In secondary syphilis, the bacteria have spread in the bloodstream and have reached their highest numbers. Without treatment, up to 1/3 of patients will develop complications of late-stage syphilis.

Latent syphilis

  • With latent syphilis, the infection is not contagious but may affect the heart, brain, nerves, eyes, bones and other parts of the body.

Don’t be fooled by the mild warning signs. If you are worried about syphilis, get checked. Syphilis is a serious disease.

How can I know if I have syphilis?

If you think you have syphilis or any STI, contact your health care provider. He or she can examine you and perform tests to determine if you have an STI.

To check for syphilis, your health care provider:

  • Examines your sex organs for chancres and skin for rashes.
  • Takes a small sample of blood. Signs of the infection may not show up in your blood for up to six weeks after you have been infected.

You may need to wait for several days to get your test results. If you have had another STD, you should also get checked for syphilis.

Can syphilis be cured?

Yes, the infection that causes syphilis can be cured. However, damage to organs in the body caused during late-stage syphilis often cannot be repaired.

How is syphilis treated?

Syphilis is treated with penicillin, usually given as a shot. This antibiotic kills the bacteria causing the infection. Since you and your sex partner are both infected, both of you must be treated.

It is important that you continue to take your medication, even if the sore or skin rash goes away. You may need to return to your healthcare provider to be rechecked for the infection. Treatment may need to continue for several weeks.

You also should:

  • Tell anyone you have had sex within the last 2 years that you are infected. This step is especially important because the symptoms of syphilis are mild and may go unnoticed.
  • Don’t have sex unless your healthcare provider says it’s ok.
  • Get rechecked to make sure the infection has been cured.
  • Get checked for HIV (AIDS) and other STIs (herpes, gonorrhoea, chlamydia).

Can I give syphilis to my unborn child?

Yes. If you have syphilis while you are pregnant, it’s possible that your baby will be born with the infection. Syphilis during pregnancy can result in the death of the baby. If you are pregnant, you should be tested for syphilis.

How can I protect myself from syphilis?

  • Do not have sex with someone who has an open sore on his or her sex organs or whom you know to be infected.
  • Always use a condom during sex. Also, use a spermicide that contains nonoxynol-9.
  • Limit your number of sex partners.



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