dexamethasone: a corticosteroid drug (trade names Decadron or Dexamethasone Intensol or Dexone or Hexadrol or Oradexon) used to treat allergies or inflammation
corticosteroid: a steroid hormone produced by the adrenal cortex or synthesized; administered as drugs they reduce swelling and decrease the body's immune response
biweekly: a periodical that is published twice a week or every two weeks (either 104 or 26 issues per year)