Pertagen should not be administered to individuals with past experience or signs of: severe allergic reaction or any encephalopathy with unknown origin following administration of pertussis vaccines or to any-components of the vaccine; neurological disorders, uncontrolled epilepsy or progressive encephalopathy.
Hypersensitivity, thrombocytopenia or neurological complications following an earlier immunization against diphtheria and/or tetanus are not contraindication to the use of Pertagen.