Similar term(s): uppers, psychostimulants.
Stimulants are drugs that stimulate the activity of the central nervous
Stimulants are often referred to as "uppers" because they increase or speed up
mental and physical processes in the body. Some are prescribed medically to
increase alertness and physical activity.
Stimulants include nicotine (found in tobacco products), caffeine,
amphetamines, ecstasy, and cocaine.
Stimulants can give rise to symptoms suggestive of intoxication, including
abnormally rapid heart rate, dilatation of the pupils, elevated blood pressure,
overactive reflexes, sweating, chills, nausea or vomiting, and abnormal
behaviour such as fighting, hypervigilance, agitation, feelings of superiority,
and impaired judgement. Chronic misuse commonly induces personality and
behaviour changes such as impulsivity, aggressivity, irritability, and
Cessation of intake after prolonged or heavy use may produce a withdrawal
syndrome, with depressed mood, fatigue, sleep disturbance, and increased
Source: GreenFacts, based on WHO
Lexicon of alcohol and drug terms
Stimulants make up one of four major groups of psychoactive drugs, next to
depressants , opioids , and hallucinogens .
Alcohol - Hallucinogen - Nervous system - Opioids - Stimulants
To read about this term in context:
GreenFacts Summary on Psychoactive Drugs Tobacco, Alcohol, and Illicit Substances:
Nederlands: Stimulerende middelen