Andre kendte farmakologiske effekter af hydroxycarbamid, som kan bidrage til midlets fordelagtige virkninger på seglcellesygdom, omfatter reduktion af neutrofiler, forøgelse af eythrocytters vandindhold, forøgelse af seglcellers deformabilitet samt ændret vedhæftning af røde blodlegemer til endotelet.
Other known pharmacological effects of hydroxycarbamide which may contribute to its beneficial effects in Sickle Cell Syndrome include decrease of neutrophils, increase of the water content of erythrocytes, increase of the deformability of sickled cells, and altered adhesion of red blood cells to the endothelium.