antihyperglycemic

adjective

an·​ti·​hy·​per·​gly·​ce·​mic -ˌhī-pər-glī-ˈsē-mik 

: counteracting the accumulation of excess sugar in the blood : hypoglycemic sense 2

antihyperglycemic agents

Because metformin is the only drug associated with weight loss, or at least weight neutrality, it has become the most widely prescribed single antihyperglycemic drug and is generally regarded as the best first-line agent …

—Silvio E. Inzucchi, The Journal of the American Medical Association