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drug holiday
(redirected from Drug vacation)

    Also found in: Wikipedia 0.02 sec.
drug holiday,
a period of drug withdrawal to reverse ineffectiveness of a drug resulting from receptor desensitization or adverse effects that may result from chronic treatment. For example, after a 7- to 10-day drug holiday, levodopa responsiveness appears to be enhanced, and lower doses are required to produce a therapeutic effect.
drug holiday
Psychiatry A period in which a prescribed drug is proscribed, to evaluate baseline behavior or ↓ the dose of psychoactive drugs, and possibly incidence of tardive dyskinesia. See Tardive dyskinesia.


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