equianalgesic

adjective

equi·an·al·ge·sic | \ ˌē-kwi-ˌan-ᵊl-ˈjē-zik

, ˌek-wi-

, -sik\

Medical Definition of equianalgesic

: producing the same degree of analgesia a substance with fewer side effects than an equianalgesic dose of morphine