Do not inj IV. Rare anaphylactic event. Postpone vaccination in patients w/ acute severe febrile illness. Monitor patient for at least 30 min after immunization. Not to be used for treatment of diphtheria, tetanus, pertussis, hepatitis-B or HIB infection. Temp ≥40°C w/in 48 hr not due to another identifiable cause, collapse or shock-like state (hypotonic-hyporesponsive episode) w/in 48 hr, persistent crying lasting ≥3 hr occurring w/in 48 hr, convulsions w/ or w/o fever occurring w/in 3 days. High incidence of pertussis. Immunosuppressed patients or those on immunosuppressive therapy. Patients w/ thrombocytopenia or bleeding disorder. History of febrile convulsions, family history of convulsions & sudden infant death syndrome. Review medical history especially w/ regard to previous vaccination & possible occurrence of undesirable events.