- therapeutic window
- therapeutic window n1) the range of dosage of a drug or of its concentration in a bodily system that provides safe effective therapy <the narrow therapeutic window...the effect may go from therapeutic to toxic with an increase of just 10 micrograms per milliliter [in] blood concentration (Lisa Davis)>2) a usu. short time interval (as after a precipitating event) during which a particular therapy can be given safely and effectively <has a narrow therapeutic window: the drug must be given within three hours of a stroke in order to be effective (Genesis Report-RX)>
* * *the range between the minimum and maximum doses of an agent. See also therapeutic index, under index.
Medical dictionary. 2011.
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