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idiosyncratic reaction

an unexpected reaction to a drug, resulting in effects that may be contrary to the anticipated results. The term generally refers to an extreme sensitivity or an extreme insensitivity to a particular agent. Such reactions may be genetically mediated.

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Psychology term of the day

January 28th 2025

myoclonic seizure

myoclonic seizure

a rare type of generalized seizure characterized by rapid, involuntary muscle jerks.