suramin sodium UK /ˌsʊə.ɹəm.ɪn ˈsəʊ.di.əm/US /ˌsʊɹ.əm.ɪn ˈsoʊ.di.əm/ noun1 •A synthetic compound C₅₁H₃₄N₆Na₆O₂₃S₆ derived from urea, obtained as a white powder and administered intravenously to treat early stages of African sleeping sickness, onchocerciasis, and filariasis.