HIV and STIs

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Sexually Transmitted Diseases

Public health nurses perform investigations and notify partners of all cases of sexually transmitted infections (STIs) reported by health-care providers in Lewis and Clark County. Providers report cases of syphilis, Chlamydia, hepatitis B, MPOX, gonorrhea, and HIV/AIDS. See this list for reportable communicable diseases in Montana(PDF, 203KB). 

Our public health nurses can provide affordable treatment for Chlamydia and Gonorrhea infections and provide resources for medical follow-up if needed.

Who's at Risk for HIV?

In the United States, HIV is spread mainly through anal or vaginal sex or by sharing drug-use equipment with an infected person. Learn more about how to protect yourself and the people you love from HIV.

Lewis and Clark Public Health is one of many HIV Counseling, Testing, and Referral Sites (CTS) funded by the Montana Department of Public Health and Human Services. We provide free rapid HIV testing, and these may be performed anonymously if requested.

STI Testing and Counseling

Getting an STI test is the only way to know if you have been infected. 

Confidential Hepatitis C, Syphilis, Chlamydia, and Gonorrhea testing are also available for free.

For free and confidential testing, call our main number at 406-457-8900 or text our public health nurse at 406-431-7470 or at 406-594-2949. 

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