Legal Dictionary. Nonsystematic Risk Risk that is unique to a certain asset or company. External links. [Greek idiosunkrāsiā : idio-, idio- … 1. Idiosyncratic Adverse Drug Reaction - How is Idiosyncratic Adverse Drug Reaction abbreviated? Idiosyncrasy definition: If you talk about the idiosyncrasies of someone or something, you are referring to their... | Meaning, pronunciation, translations and examples See more. idiosyncratic: ( id'ē-ō-sin-krat'ik ), Relating to or marked by an idiosyncrasy. Idiosyncratic drug reaction; Specialty: Emergency medicine: Mechanism. It is also called the idiosyncratic return. They considered each disease as a unique condition, related to each patient. The use and meaning of the term idiosyncratic drug reaction (IDR) is inconsistent. Idiosyncratic drug reactions, also known as type B reactions, are drug reactions that occur rarely and unpredictably amongst the population. Meaning of idiosyncratic reaction. idiosyncrasy definition: The definition of an idiosyncrasy is an unusual behavior, mannerism or reaction of a person or group of people. Information and translations of idiosyncratic reaction in the most comprehensive dictionary definitions resource on the web. 3. Information and translations of idiosyncratic reaction in the most comprehensive dictionary definitions resource on the web. 3. A physiological or temperamental peculiarity. Idiosyncrasy definition is - a peculiarity of constitution or temperament : an individualizing characteristic or quality. How to use idiosyncrasy in a sentence. (noun) An example of idiosyncrasy is … Idiosyncrasy defined the way physicians conceived diseases in the 19th century. Encyclopedia. Idiosyncratic drug reactions may be defined as adverse effects that cannot be explained by the known mechanisms of action of the offending agent, do not occur at any dose in most patients, and develop mostly unpredictably in susceptible individuals only. Learn more. sies 1. The dictionary definition of idiosyncrasy at Wiktionary A minimal amount of drug will cause an immune response, but it is suspected that at a low enough concentration, a drug will be less likely to initiate an immune response. An idiosyncrasy is an unusual feature of a person (though there are also other uses, see below). Definition of idiosyncratic reaction in the Definitions.net dictionary. What is idiosyncratic behavior? Acronyms. It is Idiosyncratic Adverse Drug Reaction. sy (id'ē-ō-sin'kră-sē), Avoid the misspelling idiosyncracy. A structural or behavioral characteristic peculiar to an individual or group. Idiosyncratic Risk Unsystematic risk or risk that is uncorrelated to the overall market risk. 2. sies 1.