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In several major drug classification systems, these four types of classifications are organized into a hierarchy. [4] For example, fibrates are a chemical class of drugs (amphipathic carboxylic acids) that share the same mechanism of action ( PPAR agonist ), the same mode of action (reducing blood triglyceride levels), and are used to prevent ...
The original eight problems have now been condensed into seven categories of problems. As given by Shargel, they are: Unnecessary drug therapy. This could occur when the patient has been placed on too many medications for their condition and the drug is simply not needed. [7] Wrong drug.
Any chemical substance with biological activity may be considered a drug. This list categorises drugs alphabetically and also by other categorisations. This multi-page article lists pharmaceutical drugs alphabetically by name. Many drugs have more than one name and, therefore, the same drug may be listed more than once.
Abuse of the drug or other substances may lead to severe psychological or physical dependence. The complete list of Schedule II substances is as follows. The Administrative Controlled Substances Code Number and Federal Register citation for each substance is included.
Ketamine is a drug used for anesthesia, and is also used as a recreational drug, both in powder and liquid form, for its hallucinogenic and dissociative effects. [ 38 ] Some national laws prohibit the use of different recreational drugs; medicinal drugs that have the potential for recreational use are often heavily regulated.
A single drug may contain single or multiple active ingredients. The administration is the process by which a patient takes medicine. There are three major categories of drug administration: enteral (via the human gastrointestinal tract), injection into the body, and by other routes (dermal, nasal, ophthalmic, otologic, and urogenital). [10]
Many of the categories for particular types of drugs are listed in Category:Drugs by target organ system and Category:Drugs by mechanism of action.. Articles about drugs that are used and/or abused on account of their Psychoactive effects are found in the subcategory, Category:Psychoactive drugs.
The ATC system also includes defined daily doses (DDDs) for many drugs. This is a measurement of drug consumption based on the usual daily dose for a given drug. According to the definition, "[t]he DDD is the assumed average maintenance dose per day for a drug used for its main indication in adults." [15]