Heroin, also known as diamorphine among other names, is an opioid most commonly used as a recreational drug for its euphoric effects. It is used medically in several countries to relieve pain or in opioid replacement therapy. It is typically injected, usually into a vein, but it can also be smoked, snorted, or inhaled. The onset of effects is usually rapid and lasts for a few hours.
Opium is dried latex obtained from the seed capsules of the opium poppy Papaver somniferum. Approximately 12 percent of opium is made up of the analgesic alkaloid morphine, which is processed chemically to produce heroin and other synthetic opioids for medicinal use and for illegal drug trade.
Methamphetamine is a potent central nervous system stimulant that is mainly used as a recreational drug and less commonly as a second-line treatment for attention deficit hyperactivity disorder and obesity.
gamma-Hydroxybutyric acid or γ-Hydroxybutyric acid, also known as 4-hydroxybutanoic acid, is a naturally occurring neurotransmitter and a psychoactive drug. It is a precursor to GABA, glutamate, and glycine in certain brain areas. It acts on the GHB receptor and is a weak agonist at the GABAB receptor.
Ketamine is a medication mainly used for starting and maintaining anesthesia. It induces a trance-like state while providing pain relief, sedation, and memory loss. Other uses include sedation in intensive care and treatment of pain and depression. Heart function, breathing, and airway reflexes generally remain functional.
Salvia divinorum is a plant species with transient psychoactive properties when its leaves are consumed by chewing, smoking or as a tea. The leaves contain opioid-like compounds that induce hallucinations.
Lysergic acid diethylamide, also known as acid, is a hallucinogenic drug. Effects typically include altered thoughts, feelings, and awareness of one's surroundings. Many users see or hear things that do not exist. Dilated pupils, increased blood pressure, and increased body temperature are typical. Effects typically begin within half an hour and can last for up to 12 hours. It is used mainly as a recreational drug and for spiritual reasons.