THERAPEUTIC RATIO

an index corresponding the clinical efficacy of a drug to its safety factor, computed by dividing the median lethal dose by the median effective dose. A drug is frequently thought to be safe only if its is at least ten.

THERAPEUTIC RATIO: "The concept of therapeutic ratios was posited by Paul Ehrich, a German immunologist and bacteriologist."
Cite this page: N., Pam M.S., "THERAPEUTIC RATIO," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/therapeutic-ratio/ (accessed April 16, 2021).
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