Can Energy Drinks Cause a False Positive Drug Test?
Standard energy drinks almost never trigger a false positive, but a few stimulant-like ingredients can cross-react with amphetamine immunoassays. Confirmation testing ...
Read article →Home / Blog
INSIGHTS & GUIDES · FROM THE ASC TEAM
Drug Testing Guides & Resources
Expert guides on drug test panels, workplace drug testing policies, DOT compliance and running an accurate screening program.
Does Cough Syrup Show Up on a Drug Test? Employer Guide
Cough syrups with codeine can produce a positive opiate result, while dextromethorphan and some decongestants may occasionally cause presumptive false positives on scr...
Read article →
Can Secondhand Smoke Cause a False Positive Drug Test?
Secondhand smoke rarely produces a positive result on a standard urine or oral fluid test, because federal cutoffs are set well above incidental exposure. This guide e...
Read article →
Does Pantoprazole Show Up on a Drug Test? THC Screen Facts
Pantoprazole is not a target of standard urine drug panels, but the FDA label notes it can cause false-positive THC screening results. Programs should treat non-negati...
Read article →
Does Doxepin Show Up on a Drug Test? Employer Guide
Doxepin, a tricyclic antidepressant, is absent from standard 5- and 10-panel drug tests but is detected on panels that add a TCA test. This guide helps clinics, courts...
Read article →
Does Imodium Show Up on a Drug Test? What Programs Need
Imodium (loperamide) does not appear on standard 5-panel, 10-panel or DOT urine drug tests. This guide explains why, when specialized testing can detect it, and how cl...
Read article →
Does Methadone Show Up on a Drug Test? Panels Explained
Methadone is not detected by standard 5-panel or DOT drug tests; it requires a dedicated methadone (MTD) test or a lab panel. This guide explains cutoffs, detection wi...
Read article →
Does Azithromycin Show Up on a Drug Test? Employer Guide
Azithromycin is an antibiotic that standard urine drug panels do not test for, and it is not a recognized cause of false positives on those panels. This guide explains...
Read article →
Does Claritin Show Up on a Drug Test? Employer Guide
Plain Claritin (loratadine) is not detected by standard urine drug panels, but Claritin-D (pseudoephedrine) can cause a presumptive amphetamine result on some screens....
Read article →
Do Edibles Show Up on a Drug Test? Employer Guide
Edibles do show up on standard THC drug tests because the body produces the same metabolites as with smoking. This guide explains cutoffs, detection windows, and how c...
Read article →
Tower Climber Drug Testing Requirements: Telecom Contractors, OSHA and Safety Sensitive Policy
Tower climbing is one of the smallest construction trades by headcount and one of the most dangerous. Crews work hundreds of feet above the ground on communication tow...
Read article →
Probation Officer Drug Testing: Hiring Screens, Random Testing and Agency Policy
Probation and parole officers carry a strange dual identity. In some states they are sworn peace officers who carry a firearm and make arrests. In others they are civi...
Read article →No articles match your search. Try a different topic or keyword.