idiosyncratic reaction

Hierarchy: 
Description: 
{{pharmacy|medicine}} 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.
Ngram Text: 
idiosyncratic reaction
Source: 
Wiktionary
Issue: 
0
Wiktionary tag: 
Ngram Count: 
2