Dictionary
Words, grammatical forms and meanings linked to the ontology.
idiosyncratic reaction en · NOUN
Meanings
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(qualifier:pharmacy) A reaction to a medication that is unusual and unpredictable, specific to a particular person. Unlike allergy, it can occur on first exposure to the medication; unlike a side effect, it affects only very few individuals.
The conclusion was that Mr Shakoor had experienced a rare and unpredictable idiosyncratic reaction to them.
2001, Margaret Fordham, “The Standard of Care Applicable to Practitioners of Alternative Medicine: Shakoor v Situ”, in Singapore Journal of Legal Studies, page 4:
Forms