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sub·ther·a·peu·tic | \ ˌsəb-ˌther-ə-ˈpyü-tik 
\
\variants:
or sub-therapeutic
Definition of subtherapeutic
: less than therapeutic : having, using, or being a dose that is below what is used for treating disease or producing an optimal therapeutic effect
… with a fixed dose of 95 mg/kg/day, initial levels during the febrile phase were subtherapeutic (<20 mg/dL)…— Gideon Koren et al. Farm animals are the target of nearly half the antibiotics produced in the United States, mostly in the form of low or subtherapeutic doses aimed at preventing disease or promoting growth.— Karen Wright
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More Definitions for subtherapeutic
subtherapeutic
adjectivesub·ther·a·peu·tic | \ -ˌther-ə-ˈpyüt-ik \
\Medical Definition of subtherapeutic
: not producing a therapeutic effect
subtherapeutic doses of penicillin
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Time Traveler for subtherapeutic
The first known use of subtherapeutic was in 1910
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