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STD (Sexually Transmitted
Diseases) Program

The STD program at the Knox County Health Department focuses on preventing STDs through testing, treatment, surveillance and education. Call 309-344-2224 to make an appointment or walk-ins accepted on Fridays.


Q: What are STDs and how do they spread?

A: STDs are mostly caused by viral or bacterial infections. These viruses and bacteria are spread during vaginal, anal, or oral sex.


Q: What are symptoms of STDs?

A: Depending on the STD, signs and symptoms can vary. Some people that are infected might have mild or show no signs or symptoms at all; others may have painful and often times embarrassing symptoms. It is important to note that individuals with NO signs or symptoms can still be infectious.


Q: What are the long-term effects?

A: STDs can lead to many side-effects that include: infertility, cancer, vital organ damage, and death.


Testing and Services


The following diseases can be tested for:

  • Chlamydia - Urine test. Results in 7 to 10 days
  • Gonorrhea - Urine test. Results in 7 to 10 days
  • Syphilis - Blood draw. Results in 7 to 10 days
  • HIV- Blood draw. Results in 7 to 10 days
  • HIV (rapid testing) - Finger stick. Results in 15-20 minutes
  • Hep C (rapid testing only) – Finger stick. Results in 15-20 minutes


The following services are offered:

  • STD/HIV Counseling
  • Expedited Partner Treatment (EPT)




Who Should Get Tested

You may have an STD and not know it! We recommend testing for:

  • Anyone 25 years and younger who is sexually active
  • Anyone with symptoms of an STD:
    • Women: vaginal discharge, pelvic pain
    • Men: penile discharge, burning with urination
  • Men who have sex with men
  • Sex partner of individual diagnosed with an STD
  • Women with a new partner in the past 3 months
  • Women with more than 1 partner in the past 3 months
  • Women with a history of an STD in the past 3 years
  • Anyone diagnosed with Gonorrhea or Chlamydia (should be re-screened at 3 months to detect possible re-infection)


Are you at increased risk for HIV infection?

PrEP is recommended for people age 18 and older who do not have HIV infection. This includes, but not limited to:

  • Gay, bisexual, and other men who have sex with men who in engage in unprotected sex
  • HIV-negative men and women who have an HIV-positive sexual partner, a high number of sex partners, who engage in unprotected sex, or have had recent or frequent STDs.
  • People who inject drugs
  • Commercial sex workers or if uses sex for exchange purposes


Find Out More About Prep Here!


Additional Resources


CDC Sexually Transmitted Disease Information


IDPH Sexually Transmitted Disease Information