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Sexually Transmitted Diseases (STD)

The Wisconsin STD Program is the lead agency in Wisconsin government responsible for coordinating the state’s public health response to the prevention and control of sexually transmitted diseases (STDs). For information regarding HIV, please go to the HIV Program webpage.

Information for the General Public

Group of young and older adults

Are you afraid you may have a sexually transmitted disease (STD)? The Information for the General Public webpage will give you information about what you may or may not have. You will also learn how to get tested and treated and what to do if you find out you have an STD.

Information for Health Care Professionals

Four smiling doctors

Are you a doctor, nurse, or another kind of professional whose work involves STD testing and treatment? The Information for Health Care Professionals webpage will give you information on subjects, such as reporting of STDs, expedited partner therapy, and partner services.

Reportable STDs

Chlamydia Trachomatis


Chlamydia is a sexually transmitted disease (STD) caused by a bacterium called Chlamydia trachomatis. It is the most commonly reported STD in Wisconsin.

Neisseria gonorrhoeae


Gonorrhea is a sexually transmitted disease (STD) caused by a bacterium called Neisseria gonorrhoeae. It is the second most commonly reported STD in the state.

Neisseria gonorrhoeae

Antibiotic Resistant Gonorrhea

Gonorrhea has progressively developed resistance to the antibiotic drugs prescribed to treat it. The CDC has many tools to monitor and fight this disease.

Syphilis pathogen


Syphilis is an STD caused by the corkscrew-shaped bacterium called Treponema pallidum. Syphilis prevention is important because of the serious consequences of untreated or inadequately treated syphilis and its role as a potential risk factor for HIV infection and transmission.

Haemophilus ducreyi in 3d.


Chancroid is a highly contagious yet curable STD caused by a bacterium called Haemophilus ducreyi. Chancroid causes ulcers, usually of the genitals, and is often associated with painfully swollen lymph glands in the groin area.

An adult with a stomach ache.

Pelvic Inflammatory Disease

Pelvic inflammatory disease refers to infection of the upper female genital tract, including the uterus, fallopian tubes, and other reproductive organs, causing symptoms that include lower abdominal pain.


Wisconsin STD Control Section Topics

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What's New

Find out the latest news about what's going on in the world of STDs here in Wisconsin.

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Data and Statistics

Learn how many people had an STD in your area. Compare your area with the rest of the state.

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Program Staff

Find contact information for state STD Control section staff and local health department staff around the state.

We want your feedback about our webpages. Please email Brandon Kufalk or Anne Marie Gates with your thoughts about the layout and ease of navigation of the STD webpages.

Last revised May 18, 2023