underdosed

/ˈʌndərˌdoʊst/
adjective
  1. Having received too small an amount of a medicine or drug to be effective.
    • She felt underdosed after the first round of chemotherapy and asked for a higher amount.
    • The underdosed patients did not respond to the treatment as expected.
    • Many of the trial participants were underdosed, which skewed the study results.
Synonyms