Treating of localized bacterial infection, comprising locally applying Taurolidine to the infection. A device for insertion into the body, the device comprising Taurolidine to render the device infection resistant. A medication for treating bacterial infections, comprising Taurolidine carried by one of: gels, liquid, thixotropic gels, colloidal mixtures, dispensal suspensions, injectable polymers, or a microparticle. A method for treating blood, comprising: removing blood from the body; treating the blood with Taurolidine; and returning the treated blood.