Alcohol is a drug. It is classed as a depressant, meaning that it slows down vital functions—resulting in slurred speech, unsteady movement, disturbed perceptions and an inability to react quickly. As for how it affects the mind, it is best understood as a drug that reduces a person’s ability to think rationally and distorts his or her judgment.
Amphetamine may be habit-forming, and this medicine is a drug of abuse. Tell your doctor if you have had problems with drug or alcohol abuse. Stimulants have caused stroke, heart attack, and sudden death in people with high blood pressure, heart disease, or a heart defect.
Hallucinogens are a class of drugs that cause hallucinations—profound distortions in a person’s perceptions of reality. Hallucinogens can be found in some plants and mushrooms (or their extracts) or can be man-made, and they are commonly divided into two broad categories: classic hallucinogens (such as LSD) and dissociative drugs (such as PCP).
Most illicit heroin is sold as a white or brownish powder and is usually "cut" with other drugs or with substances such as sugar, starch, powdered milk, or quinine. It can also be cut with strychnine or other poisons. Because heroin abusers do not know the actual strength of the drug or its true contents, they are at risk of overdose or death. Another form of heroin known as "black tar" may be sticky, like roofing tar, or hard, like coal. Its color may vary from dark brown to black.
Methamphetamine is an illegal drug in the same class as cocaine and other powerful street drugs. It has many nicknames— meth, crank, chalk or speed being the most common. (See the list of street names.) Crystal meth is used by individuals of all ages, but is most commonly used as a “club drug,” taken while partying in night clubs or at rave parties.
Inhalants are volatile substances that produce chemical vapors that can be inhaled to induce a psychoactive, or mind-altering, effect. Although other abused substances can be inhaled, the term "inhalants" is used to describe a variety of substances whose main common characteristic is that they are rarely, if ever, taken by any route other than inhalation.
Current Mandrax pills, made illegally, may also contain benzodiazepines, barbiturates, ephedrine, etc. Mandrax is still widely abused in South Africa. Uses of Quaaludes In prescribed doses, Quaaludes promotes relaxation, sleepiness and sometimes a feeling of euphoria.
Methamphetamine is a powerful, highly addictive stimulant that affects the central nervous system. Also known as meth, chalk, ice, and crystal, among many other terms, it takes the form of a white, odorless, bitter-tasting crystalline powder that easily dissolves in water or alcohol.