Gentamicin maganin kashe kwayoyin cuta ne da ake amfani da shi wajen magance cututtuka masu yaduwa. Yana cikin nau'in magungunan da ake kira aminoglycosides, kuma yana aiki ta hanyar hana haɗin furotin na kwayan cuta. Ana amfani da Gentamicin don magance cututtukan fata, urinary tract, jini, da huhu, da cututtukan da ke faruwa bayan tiyata. Yawancin lokaci ana gudanar da shi ta hanyar allura ko jiko na cikin jijiya. Ana sayar da maganin a ƙarƙashin sunaye daban-daban, ciki har da Garamycin, Gentak, da Genoptic.