Medical Dictionary

booster dose

noun

medical Definition of booster dose

:a supplementary dose of a therapeutic agent designed to increase the effectiveness of one or more previously administered doses
  • When possible, the drug [prednisone] was administered every other day, with booster doses during hemolytic crises.
  • —Russell E. Ware et al., The New England Journal of Medicine, 3 Oct. 1991
; especially :booster shot
  • … vaccines may have to receive a booster dose every five years after the original series.
  • —Marsha F. GoldsmithThe Journal of the American Medical Association1 June 1984

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