Drug Information Resource Library

Benzodiazepines are a large group of drugs that act as central nervous system depressants.

Cocaine is a naturally-occurring anesthetic with vaso-constrictive properties and is a potent central nervous system stimulant.

Ecstasy is a group of drugs typically consisting of MDMA, MDEA and MDA that are all psychotropic derivatives of the amphetamines drug class.

Alcohol is one of the most widely abused substances but also one of the most difficult to monitor. Ethyl glucuronide (EtG) and ethyl sulfate (EtS) are minor ethanol metabolites produced by the liver.

Fentanyl is a synthetic opioid analgesic developed in the 1960s. Fentanyl acts on the μ-opioid receptor, similar to morphine, but is approximately 80–100 times more potent than morphine and 40–50 times more potent than heroin.

Kratom (mitragyna speciosa) is a tree indigenous to Thailand and other Southeast Asian countries. The tree belongs to the same botanical family as the coffee tree.

Methadone was first synthesized as a morphine substitute in Germany during World War II and was made clinically available in the United States in 1947.

Methamphetamine and amphetamine belong to a group of structurally related drugs called sympathomimetic amines (SMAs) that are central nervous system stimulants.

The term “opiates” refers to codeine and morphine, which occur naturally, and to the semisynthetic compounds hydrocodone, hydromorphone, oxycodone, oxymorphone and heroin, which are derived from codeine and morphine.

Alcohol is one of the most widely abused substances but also one of the most difficult to monitor. Fortunately, two sensitive and specific biomarkers facilitate monitoring alcohol use. Ethyl glucuronide (EtG) and ethyl sulfate (EtS) are minor ethanol metabolites produced by the liver.

Xylazine is an FDA-approved veterinary tranquilizer and is not approved for human use. It has entered the U.S. illicit drug supply as an adulterant.