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 11 of 46
Does Phenobarbital Show Up on a Drug Test? Barbiturates and the BAR Panel

Oct 10, 2026 ·8 min read

Does Phenobarbital Show Up on a Drug Test? Barbiturates and the BAR Panel

Phenobarbital is a long acting barbiturate most often prescribed for seizure disorders, and in some cases for sedation or management of withdrawal. If a...

Read article
Does Loperamide Show Up on a Drug Test? Imodium and the Opiate Panel

Oct 10, 2026 ·8 min read

Does Loperamide Show Up on a Drug Test? Imodium and the Opiate Panel

Loperamide is the active ingredient in Imodium and many store brand antidiarrheal tablets and liquids. It is sold without a prescription, sits on the...

Read article
Does Kava Show Up on a Drug Test? Kavalactones and Standard Panels

Oct 10, 2026 ·9 min read

Does Kava Show Up on a Drug Test? Kavalactones and Standard Panels

Kava is a plant preparation made from the root of Piper methysticum, a shrub native to the South Pacific. It is sold as a...

Read article
Does Haloperidol Cause a False Positive Drug Test? Antipsychotics and Panel Screens

Oct 10, 2026 ·7 min read

Does Haloperidol Cause a False Positive Drug Test? Antipsychotics and Panel Screens

Haloperidol is a first generation antipsychotic used to manage psychotic disorders, severe agitation, and the tics of Tourette's disorder. It is not a controlled...

Read article
Does Focalin (Dexmethylphenidate) Show Up on a Drug Test? ADHD Medication and Panels

Oct 10, 2026 ·8 min read

Does Focalin (Dexmethylphenidate) Show Up on a Drug Test? ADHD Medication and Panels

Focalin is the brand name for dexmethylphenidate, a Schedule II prescription stimulant used to manage attention deficit hyperactivity disorder. Because it is a stimulant...

Read article
Does Eszopiclone Show Up on a Drug Test? Z Drugs and Panels

Oct 10, 2026 ·7 min read

Does Eszopiclone Show Up on a Drug Test? Z Drugs and Panels

Eszopiclone, sold under the brand name Lunesta, is a prescription sedative hypnotic used short term for sleep. People who take it and are facing...

Read article
Does Dronabinol Show Up on a Drug Test? Prescription THC and the THC Panel

Oct 10, 2026 ·9 min read

Does Dronabinol Show Up on a Drug Test? Prescription THC and the THC Panel

Dronabinol is a prescription medicine, not a supplement or an over the counter product, and people who take it often ask whether it will...

Read article
Does Chlorpheniramine Cause a False Positive Drug Test? Cold Medicine and Panels

Oct 10, 2026 ·7 min read

Does Chlorpheniramine Cause a False Positive Drug Test? Cold Medicine and Panels

Chlorpheniramine is a first generation antihistamine sold over the counter in allergy tablets and in a long list of combination cold and cough products....

Read article
Does Amitriptyline Show Up on a Drug Test? Tricyclics and Panel Screens

Oct 10, 2026 ·9 min read

Does Amitriptyline Show Up on a Drug Test? Tricyclics and Panel Screens

Amitriptyline is a tricyclic antidepressant that doctors prescribe for depression and, off label, for certain pain and sleep conditions. It is a prescription medication,...

Read article
Dental Office Drug Testing: Policies for Dentists, Hygienists and Assistants

Oct 10, 2026 ·9 min read

Dental Office Drug Testing: Policies for Dentists, Hygienists and Assistants

A dental practice is a small business that also happens to hold a Drug Enforcement Administration registration, keep a locked supply of controlled substances,...

Read article
Correctional Officer Drug Testing: Federal and State Requirements

Oct 10, 2026 ·9 min read

Correctional Officer Drug Testing: Federal and State Requirements

Correctional officers work in close, forced proximity with a population where contraband, including diverted medication and illicit drugs, is a constant operational problem. That...

Read article
Childcare Worker Drug Testing: What the Rules Require and What Centers Do

Oct 10, 2026 ·8 min read

Childcare Worker Drug Testing: What the Rules Require and What Centers Do

Parents who drop off a toddler at a licensed center generally assume every adult in the building has been checked out. In most states...

Read article