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Heroin is a highly addictive morphine derivative that makes up a large portion of the illicit traffic in narcotics.
This article focuses on the principles of drug action and includes an overview of the different types of drugs that are used in the treatment and prevention of human diseases. For a discussion of the nonmedical use of drugs, see drug use. Until the mid-19th century the approach to drug therapeutics was entirely empirical. This thinking changed ...
heroin, Heterocyclic compound, a highly addictive alkaloid derivative of morphine (chemically, it is diacetylmorphine) that makes up a large portion of illicit narcotics traffic. Easily made from morphine, it was developed and first used as an analgesic, but its undesirable effects outweighed its value, and it is illegal in most countries ...
Likewise, knowledge of a drug’s chemical structure facilitates the search for new and potentially more effective and safer medicines. The following sections provide a general overview of some major types of drugs, grouped according to the disease or human tissues or organ systems on which they act.
Opium, morphine, codeine, and heroin are all derived from the milky latex found in its unripe seed capsule. It is also grown for its tiny nonnarcotic ripe seeds, which are kidney-shaped and grayish blue to dark blue; the seeds are used in bakery products and for seasoning, oil, and birdseed (see poppy seed).
HEROINE meaning: 1 : a woman who is admired for great or brave acts or fine qualities; 2 : the chief female character in a story, play, movie, etc.
…controversial look known as “heroin chic”—an extremely thin physique paired with pale skin, dark undereye circles, and often disheveled hair and clothing. In the same year, she was named Model of the Year, an honour jointly awarded by Vogue and the American cable-television network VH1.
Drug use is the consumption of drugs, whether orally, by injection, or by other means, for psychotropic rather than medical purposes.
Opioid drugs include prescription pain relievers, such as fentanyl, oxycodone, and hydrocodone, and illegal substances, such as heroin and illicitly manufactured fentanyl. These drugs act on molecules known as opioid receptors in the brain to produce a variety of effects, including pain relief and euphoria.
Methadone, potent synthetic narcotic drug that is the most effective form of treatment for addiction to heroin and other narcotics. Methadone first became available at the end of World War II. Similar to morphine in its analgesic effect, it was originally used in medicine to alleviate severe pain.