underdose

verb
un·​der·​dose | \-ˈdōs \
underdosed; underdosing

Medical Definition of underdose 

(Entry 1 of 2)

intransitive verb

: to take or administer an insufficient dose noncompliant patients may tend to underdose

transitive verb

: to administer an insufficient dose of or to antidepressants were underdosed in the study group of elderly patients a tendency to underdose some patients

underdose

noun
un·​der·​dose | \-ˌdōs \

Medical Definition of underdose (Entry 2 of 2)

: an insufficient dose received an underdose of radiation for chest cancer

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