Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Syphilis
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Guides through the decision to be screened for sexually transmitted infections. Explains STIs and discusses causes and lifestyles that put you at higher risk for getting infected. Covers benefits and risks of testing. Includes an interactive tool to help you decide.
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What is syphilis? Syphilis is a sexually transmitted infection (STI) caused by the bacterium Treponema pallidum. If it's not treated by a doctor, it can get worse over time and cause serious health problems. The infection can be active at times and not active at other times. When the infection is active, you...
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Syphilis tests tell if a person has this disease. They look for antibodies to the bacterium, or germ, that causes syphilis. Some tests look for the syphilis germ itself. Syphilis is a sexually transmitted infection. That means it is spread through sexual contact: vaginal, anal, or oral sex. Testing is done on...
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Lists common sexually transmitted infections, including chlamydia, genital herpes, gonorrhea, HIV, HPV (genital warts), syphilis, and trichomoniasis. Includes interactive tool to help you decide when to call a doctor. Covers safer sex. Offers prevention tips.
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Syphilis is described in terms of its four stages: primary, secondary, latent (hidden), and tertiary (late). Primary stage During the primary stage, a sore ( chancre) that is usually painless develops at the site where the bacteria entered the body. This commonly occurs within 3 weeks of exposure but can...
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Sexually transmitted infections (STIs) are some of the most widespread infections both in the United States and the world. STIs affect both men and women, and two-thirds of all STIs occur in people younger than 25. Exposure to an STI can occur any...