Last Updated:2025/11/21
(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.
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idiosyncratic reaction
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Source Word
idiosyncratic reaction
Noun
Japanese Meaning
(薬学、医学)特定の個人に固有で、予測不能な薬剤反応。これはアレルギーとは異なり、初回の服用でも生じる可能性がある上、副作用と違い、非常に少数の人にしか現れない。
( plural )