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Sexually Transmitted Infection (STI) Testing and Screening

If you have symptomatic patients, in-person appointments are encouraged. Accommodate same day appointments when possible.

Chlamydia, gonorrhea and syphilis (reportable)

The chart below outlines current testing options for reportable sexually transmitted infections. 1st line indicates great test sensitivity; 2nd line options are less accurate because they are less sensitive.

Chlamydia / Gonorrhea
Site of exposure and / or symptoms Chlamydia / Gonorrhea Nucleic Acid Amplification Testing (NAAT) Syphilis Serology Testing
Penile

Urine NAAT (first line)

Consider adding culture testing for gonorrhea if discharge present or for antimicrobial susceptibility testing.

Not applicable
Vaginal or cervical

Vaginal or cervical (when pelvic exam is being done).

NAAT (first line)

If pelvic inflammatory disease is suspected, add cervical culture with any NAAT for antimicrobial susceptibility testing.

Urine NAAT (Second line)

Not applicable

Receptive anal sex / rectal, and any of the following:

  • MSM*
  • Engaging in sex
  • Having signs or symptoms or rectal infection
Rectal NAAT (whether asymptomatic or symptomatic at exposure sites) Not applicable

Oral sex on penis / pharyngeal and any of the following:

  • MSM*
  • Engaging in sex work
  • Having signs or symptoms or pharyngeal infection
Pharyngeal NAAT (whether asymptomatic or symptomatic at exposure sites) Not applicable
Genital lesions Not applicable

1. Syphilis serology
2. HSV-use viral UTM swab

Oral and rectal lesions Not applicable

1. Syphilis serology testing
2. Consider HSV-use viral UTM swab

*Cisgender and transgender men who have sex with men, including males who identify as gay, bisexual, queer, two-spirit or other men who have sex with men

Testing results from Public Health Ontario

Niagara Region Public Health doesn't have access to the lab results for your patients.

The Public Health Ontario laboratory works to get health care professionals test results in a timely manner. Learn about specific test information, including submitting samples and turnaround times or call their customer service at 1-877-604-4567.

Resources

Contact

Call the Health Care Provider Info-Line at 905-688-8248 ext. 7720, Monday to Friday, 8:30 a.m. - noon and 1 - 4 p.m.

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