Infinity Drug Screening

02/24/2026

Call us today for all your drug testing needs. Three locations to better serve you:

1510 N 10th St Suite A
McAllen, TX 78501
(956) 800-5121

1113 S F St Suite B
Harlingen, TX 78550
(956) 412-8378

1004 Valverde Park Sr Suite 3
Donna, TX 78537
(956) 354-5225

01/21/2026

24/7 On Site Drug & Alcohol testing available! Call us today!

01/13/2026

Everyone should have one in their home! Take advantage of this free event.

⚠️FACT⚠️ Fentanyl is a deadly drug that can be found in a variety of other drugs.

⚠️FACT⚠️ Most people don’t know they are consuming drugs laced with fentanyl.

⚠️FACT⚠️ Narcan is a life saving nasal spray that can reverse a fentanyl overdose.

This Thursday, we’re hosting a “Narcan Drive Thru Giveaway”. Drive thru to pick up this medication free of cost.

No questions asked.
You could help save a life.

01/12/2026

Call us for all your drug testing needs.

01/09/2026

Need to enroll in a DOT consortium? Contact us today to fulfill all your DOT drug testing requirements. With three convenient locations to serve you better.

1510 N 10th St Suite A
McAllen, TX 78501
(956) 800-5121

1113 S F St Suite B
Harlingen, TX 78550
(956) 412-8378

3301 Western Dr Suite #5
Weslaco, TX 78599
(956) 354-5225

11/05/2025

This is great!

A new vending machine offers free Narcan nasal spray at the Hidalgo County Probation Office in Edinburg to combat opioid overdose. Available 24/7.

09/30/2025

4th quarter of drug testing begins tomorrow. If you still have not completed your random requirements, call us! We will have you meeting randoms before the year ends.

09/24/2025

✨Free Giveaway✨
How to Enter:
💫Follow us on Facebook and/or Instagram
Infinity Drug Screening & Tooltunes Speakers
💫Share this post to your feed
💫Tag someone
✨Winner of this awesome Tool Tunes Speaker will be announced 10/30/2025 via Facebook & Instagram✨

09/17/2025

09/17/2025

Need DOT testing?

Call us today! Sign up for 2026 and we will waive the annual fee for 2025. Let us help you with your consortium. We can help you meet your requirements before 2025 ends.

1510 N 10th St Suite A
McAllen, TX 78501
(956) 800-5121

1113 S F St Suite B
Harlingen, TX 78550
(956) 412-8378

3301 Western Dr Suite #5
Weslaco, TX 78599
(956) 354-5225

09/01/2025

Call us or visit us for all your drug testing needs! We offer DOT/DOT Consortium testing, Non-DOT, Personal, Hair Follicle, Rapid/Instant, ETG testing, Alcohol testing. Serving you Valley wide with on-site services available. Have an amazing & blessed day.

INFINITY DRUG SCREENING
1510 N 10th St Suite A
McAllen, TX 78501
(956) 800-5121

1113 S F St Suite B
Harlingen, TX 78550
(956) 412-8378

3301 Western Dr Suite #5
Weslaco, TX 78599
(956) 354-5225