Idiosyncrasy - Definition

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An idiosyncrasy is a reaction to a specific situation that is unique to each individual. Each individual reacts differently to a pathology, a toxic drug, or environment. This feature is constitutional for the individual and is called an idiosyncrasy. The development of a viral disease in an individual depends on the immune idiosyncrasy. When coming into contact with certain allergens, some people will not be bothered, others will have mild reactions, and still others may have severe hypersensitivity reactions.