Drugs

Presumptive tests, types and examples

Hallucinogens

Substances that cause altered perception, vivid hallucinations, and an altered sense of time.

PCP (Phencyclidine)

A hallucinogen known as 'angel dust,' causing feelings of strength and detachment, followed by unresponsiveness and confusion.

LSD (Lysergic acid diethylamide)

A powerful hallucinogen that distorts perception and creates altered sensory experiences.

Depressants

Drugs that slow down the central nervous system and can impair judgment, coordination, and reaction time.

Alcohol (Ethyl Alcohol)

A depressant that affects judgment and memory in low doses and can cause coma in extreme doses.

Barbiturates

'Downers' used to induce sleep and relaxation, acting similarly to alcohol on the CNS.

Stimulants

Drugs that stimulate the central nervous system, increasing alertness and energy.

Amphetamines

Synthetic stimulants including Methamphetamine, providing a strong rush and intense pleasure.

Cocaine

A stimulant that increases energy and alertness, extracted from the coca plant.

Inhalants

Substances inhaled for euphoria, often leading to serious health risks.

Marquis Reagent Test

A test used to detect alkaloids and substances like opiates and amphetamines through a color change with the reagent.

Scott Reagent Test

A test specifically for detecting cocaine, which turns blue when the reagent is added.