Do not use IMOVAX POLIO if the patient: is allergic (hypersensitive) to the active substances or to any of the other components of IMOVAX POLIO, to neomycin, to streptomycin or to polymyxin B; had an allergic reaction after a previous injection of IMOVAX POLIO or a vaccine containing the same substances; had fever or a disease which occurred suddenly, without warning (acute disease). Vaccination will have to be postponed.