549 ARTICLES · UPDATED WEEKLY

Noticias

Field guides, regulatory updates, and product breakdowns from the team behind American Screening Corporation's drug testing supplies.

More from the lab notebook

Page 13 of 46
Does Meclizine Cause a False Positive Drug Test? Antihistamines and Panel Screens

Oct 8, 2026 ·6 min read

Does Meclizine Cause a False Positive Drug Test? Antihistamines and Panel Screens

Meclizine is the antihistamine in motion sickness tablets and vertigo treatments, sold both over the counter and by prescription depending on strength and brand....

Read article
Does Guanfacine Show Up on a Drug Test? ADHD and Blood Pressure Medication

Oct 8, 2026 ·6 min read

Does Guanfacine Show Up on a Drug Test? ADHD and Blood Pressure Medication

Guanfacine is a prescription medication used to manage attention deficit hyperactivity disorder (ADHD) and, in its older immediate release form, high blood pressure. Patients...

Read article
Does Fexofenadine Cause a False Positive Drug Test? Second Generation Antihistamines

Oct 8, 2026 ·7 min read

Does Fexofenadine Cause a False Positive Drug Test? Second Generation Antihistamines

Fexofenadine is the generic name for the allergy medication sold under the brand name Allegra and in many store brand versions. It is a...

Read article
Does Benzonatate Show Up on a Drug Test? Cough Medicine and Panel Screens

Oct 8, 2026 ·7 min read

Does Benzonatate Show Up on a Drug Test? Cough Medicine and Panel Screens

Benzonatate is a prescription cough suppressant sold under names such as Tessalon. People who are starting a new job, entering a treatment program, or...

Read article
Does Azithromycin Cause a False Positive Drug Test? Antibiotics and Screening Panels

Oct 8, 2026 ·6 min read

Does Azithromycin Cause a False Positive Drug Test? Antibiotics and Screening Panels

Azithromycin is one of the most commonly prescribed antibiotics in the United States, used for respiratory infections, skin infections, and several sexually transmitted infections....

Read article
Does Atomoxetine Cause a False Positive Drug Test? Non Stimulant ADHD Medication

Oct 8, 2026 ·7 min read

Does Atomoxetine Cause a False Positive Drug Test? Non Stimulant ADHD Medication

Atomoxetine, sold under the brand name Strattera and as generic capsules, is prescribed for attention deficit hyperactivity disorder. Unlike the stimulant medications many employers...

Read article
Do Energy Drinks Show Up on a Drug Test? Caffeine, Taurine and Panel Screens

Oct 8, 2026 ·6 min read

Do Energy Drinks Show Up on a Drug Test? Caffeine, Taurine and Panel Screens

Energy drinks are one of the most common things an employee drinks on the way to a collection site, and it is a fair...

Read article
Dialysis Center Employee Drug Testing: Rules, Panels and Program Design

Oct 8, 2026 ·8 min read

Dialysis Center Employee Drug Testing: Rules, Panels and Program Design

Dialysis centers run on controlled substances. Technicians and nurses handle heparin, fentanyl, and other opioids during treatment, often with less direct oversight than a...

Read article
Crane Operator Drug Testing Requirements: OSHA Certification, Employers and Panels

Oct 8, 2026 ·8 min read

Crane Operator Drug Testing Requirements: OSHA Certification, Employers and Panels

Crane operators run some of the heaviest, highest consequence equipment on a construction site. Owners, general contractors, and safety officers often assume that because...

Read article
Security Guard Company Drug Testing Policy: State Licensing Rules and How to Run Testing

Oct 5, 2026 ·9 min read

Security Guard Company Drug Testing Policy: State Licensing Rules and How to Run Testing

A security guard company sits at the intersection of two sets of rules: the state licensing framework that lets a guard carry a badge...

Read article
How to Order Drug Test Supplies on Net Terms and Purchase Orders

Oct 5, 2026 ·9 min read

How to Order Drug Test Supplies on Net Terms and Purchase Orders

Clinics, treatment programs, staffing firms, court and probation programs, and employers do not usually buy drug test supplies one box at a time with...

Read article
Oral Fluid vs Urine Drug Tests: Which Should Your Program Buy

Oct 5, 2026 ·8 min read

Oral Fluid vs Urine Drug Tests: Which Should Your Program Buy

If you place the order for drug testing supplies at a clinic, treatment program, staffing firm, court or probation office, or employer site, the...

Read article