FREE HIV/STI Testing

VAC has site locations in Brownsville, Harlingen, and McAllen that provide free anonymous and confidential HIV testing. With the INSTI™ HIV-1 Antibody Test is conducted by blood obtained from a finger stick and provides results in as little as 60 seconds. Blood tests can also be conducted and results are available within  2 weeks.

VAC also provides free testing for Syphilis, Gonorrhea, and Chlamydia and you can receive your results in 2 weeks.

Remember, HIV and sexually transmitted infections (STI) are contracted the same way, if you can contract one you might be at risk for the other and people with an STI are more at risk for HIV.

HIV/STI testing is available at the following VAC locations:


Brownsville – VAC HIV/STI Education and Testing Office
857 E. Washington Street, Suite G
Brownsville, TX 78520
Phone: (956) 541-2600
Fax: (956) 541-9202
(Map and Directions)

Hours testing is offered:

Walk-ins, no appointment necessary Mondays, Wednesdays, Thursdays, Fridays 9:00 AM12:00 PM and 2:00 PM - 5:00 PM. PrEP/PEP and target populations. 

NO TESTING from 1:00 PM - 2:00 PM.

Call and make your appointment!

**Testing sessions can range from 20 to 45 minutes


Harlingen – Westbrook Clinic RGV and VAC Professional Building
2306 Camelot Plaza
Harlingen, TX 78550
Phone: (956) 428-2653
Fax: (956) 428-9538
(Map and Directions)

Hours testing is offered: 

Appointment ONLY Tuesdays - Fridays 9:00 AM - 11:00 AM and 1:00 PM - 4:00 PM. PrEP/PEP and target populations. 

NO TESTING from 12:00 PM - 1:00 PM.

If you plan on coming in late in the day for testing you are advised to call in and see if we are booked solid for the day. Mornings before lunch are when wait times are shorter.

Call and make your appointment!

**Testing sessions can range from 20 to 45 minutes


McAllen – VAC HIV/STI Education and Testing Office
300 S. 2nd street, Suite 101
McAllen, TX 78501
Phone: (956) 668-1155
Fax: (956) 668-1150
(Map and Directions)

Hours testing is offered:

Walk-ins Monday, Wednesday, Thursday, FridayWalk-ins for PrEP/PEP and target populations from 9:00 AM - 12:00 PM and 2:00 PM - 5:00 PM

NO TESTING from 1:00 PM - 2:00 PM.

Call and make your appointment!

**Testing sessions can range from 20 to 45 minutes


Mobile testing is also offered at various rotating locations throughout the Rio Grande Valley. For more information on how to schedule a mobile site visit or to inquire about HIV & STI testing please call any of our toll-free numbers:

1-888-311-AIDS (2437) or 1-800-333-SIDA (7432)