Sexually Transmitted Infections

Notice: Our physical office and clinic locations will be closed until further notice. Our communicable disease team is busy working on the public health response to coronavirus.

If you have general questions related to coronavirus please call 211 (also can be reached at and 503-222-5555). If you are a provider with questions about testing and/or clinical protocols, please call 971-673-1111. If you are reporting a positive test or need to reach Washington County staff, please call at 503-846-3594 or email at

Our HIV high risk STI/HIV testing services on Monday and Thursday have been suspended until further notice. Please contact your provider, Planned Parenthood (888-875-7820) or Multnomah County Health Department STD Clinic (503-988-3700).

Sexually Transmitted Infection (STI) Testing

Cascade AIDS Project logo

The Cascade AIDS Project and Washington County Public Health provide testing for persons at risk for sexually transmitted infections (STIs) including chlamydia, gonorrhea, syphilis and HIV. No cost testing is available for those who qualify based on the following risks:

  • You are a man who sometimes has sex with men.
  • Your man has sex with other men.
  • You have had sex with someone who may be HIV END HIV logopositive.
  • You or your partner have multiple anonymous partners.
  • You or your partner have shared needles.
  • You have exchanged sex for something you needed or wanted.

LGBTQ Mondays, Walk-in 2-7 p.m.
Beaverton Clinic
12550 SW 2nd St, Beaverton OR 97005
(Beaverton Central MAX Station; Enter on SW Washington Ave)

Thursdays, Walk-in 1-5 p.m.
Hillsboro Clinic, 266 W Main St, Hillsboro OR 97123
(Hatfield Government Center MAX Station)

Field Testing & Syringe Exchange - Hillsboro

  • Rapid HIV, Hepatitis C and syphilis testing
  • Naloxone available
  • Hepatitis A vaccinations when available
  • Must be at least 18 for needle exchange


  • Sonrise Church, 11 a.m. - 1 p.m.
    6701 NE Campus Dr. (Orenco MAX Station)
  • Dairy Creek Park, 2-4 p.m.
    SW Walnut, Behind WinCo (Bus Line #57)


Not high risk and still need testing?

Call the Washington County Health Care Resource Line at 503-846-8851 or see clinic information below:

Neighborhood Health Center (Hillsboro Reproductive Health Clinic)
Birth control, STI testing, PAP test, hepatitis C screening
Call for appointment: 503-941-3016
266 W Main St, Hillsboro OR 97123
Tuesdays: 8 a.m.-7 p.m. or walk-in 3-7 p.m. for 25 years and under
Wednesdays: 7 a.m.-6 p.m.
Fridays: 7 a.m.-1 p.m.

More information about HIV/STI testing

  • Ask your primary care provider for a full STI screening.
  • Talk to your provider to see if PrEP is right for you!
  • Be sure to have all body sites tested depending on the type of sex you have.
  • Oral, rectal, vaginal or urine testing is available to screen for gonorrhea or chlamydia.
  • HIV and syphilis testing will include blood collection.

Behaviors that increase your risk for an STI

  • Not using condoms consistently
  • Sex with anonymous partners
  • Having multiple sex partners or risky sex practices
  • Exchanging sex for things you need
  • Using drugs and alcohol while engaging in sex

How to decrease your risk of getting an STI

  • Use condoms correctly and consistently.
  • Use lubricant to decrease small tears and abrasions during sex.
  • Take PrEP daily to prevent HIV.
  • Reduce your number of sex partners.
  • Only have sex with one other person and make sure they are doing the same.
  • Get help if you have a problem with drug or alcohol misuse.
  • Get vaccinated against hepatitis A, hepatitis B and HPV.
  • Make sure you and sex partners get regular STI testing.

For more information on STIs and how they are spread: