The terms âdrug allergy,â âdrug hypersensitivity,â and âdrug reactionâ are often used interchangeably. Drug reactions encompass all adverse events related to drug administration, regardless of etiology. Drug hypersensitivity is defined as an immune-mediated response to a drug agent in a sensitized patient.
By extension, the term manichean is widely applied (often used as a derogatory term) as an adjective to a philosophy of moral dualism, according to which a moral course of action involves a clear (or simplistic) choice between good and evil, or as a noun to people who hold such a view.
1. a. The faculty of sight; eyesight: poor vision. b. Something that is or has been seen. 2. Unusual competence in discernment or perception; intelligent foresight: a leader of vision. 3. The manner in which one sees or conceives of something. 4.oun. 1. vision-a vivid mental image; he had a vision of his own death. imagery, imaging, mental imagery, imagination-the ability to form mental images of things or events; he could still hear her in his imagination.