Uncoated aspirin tablets, consisting of about 90% acetylsalicylic acid, along with a minor amount of inert fillers and binders. Aspirin is a pharmaceutical drug often used to treat pain, fever, and inflammation.
Ritalin: 20 mg sustained-release (SR) tablets
Nexium (Esomeprazole) is a proton-pump inhibitor. It is used to reduce the production of stomach acid.
A chart comparing the chemical structures of different amphetamine derivatives
An Amazonian shaman
Roasted coffee beans, a common source of caffeine.
San Pedro, a psychoactive cactus.
Tablets containing MDMA
Cannabis is a commonly used recreational drug.
Lines of illicit cocaine, used as a recreational stimulant
Catha edulis

Stimulants (also often referred to as psychostimulants or colloquially as uppers) is an overarching term that covers many drugs including those that increase activity of the central nervous system and the body, drugs that are pleasurable and invigorating, or drugs that have sympathomimetic effects.

- Stimulant

These drugs are divided into different groups like: stimulants, depressants, antidepressants, anxiolytics, antipsychotics, and hallucinogens.

- Drug
Uncoated aspirin tablets, consisting of about 90% acetylsalicylic acid, along with a minor amount of inert fillers and binders. Aspirin is a pharmaceutical drug often used to treat pain, fever, and inflammation.

2 related topics

Alpha

U.S. Drug Enforcement Administration agents in a training exercise

Prohibition of drugs

Common means of attempting to prevent the recreational use of certain intoxicating substances.

Common means of attempting to prevent the recreational use of certain intoxicating substances.

U.S. Drug Enforcement Administration agents in a training exercise
Huichol religion worshiped the god of Peyote, a drug.
A painting of opium ships sailing into China. Chinese attempts to suppress opium smuggling sparked the First Opium War.
Papaver somniferum. The sale of drugs in the UK was regulated by the Pharmacy Act of 1868.
Thomas Brassey was appointed the head of the Royal Opium Commission in 1893 to investigate the opium trade and make recommendations on its legality.
Newspaper article from The Daily Picayune, New Orleans, Louisiana in 1912 reporting on a drug arrest, a month after the International Opium Convention was signed and ratified at The Hague.
American drug law enforcement agents detain a man in 2005.
Opium poppies growing in Afghanistan, a major source of drugs today.
People marching in the streets of Cape Town against the prohibition of cannabis in South Africa, May 2015
Total incarceration in the United States by year
US cannabis arrests by year
Coffeeshop in Amsterdam
Dareton police search the vehicle of a suspected drug smuggler in Wentworth, New South Wales, Australia
Protest against the Philippine drug war. The protesters are holding placards which urge Rodrigo Duterte to stop killing drug users.

The cultivation, use, and trade of psychoactive and other drugs has occurred since ancient times.

The Konbaung Dynasty prohibited all intoxicants and stimulants during the reign of King Bodawpaya (1781–1819).

Modafinil is a common nootropic

Nootropic

Modafinil is a common nootropic
Hebbian version of the Yerkes–Dodson law

Nootropics (, or ) (colloquial: smart drugs and cognitive enhancers) are drugs, supplements, and other substances that are claimed to improve cognitive function, particularly executive functions, attention, memory, creativity, or motivation, in healthy individuals.

In 2008, the most commonly used class of drug was stimulants, such as caffeine.