Concomitant use w/ corticosteroids, cytotoxic drugs, radiotherapy or other drugs that may weaken the immune system. Guillain-Barre syndrome or brachial neuritis. Blood disoders eg, thrombocytopenia or clotting disorders. Fever ≥40°C, collapse or shock-like state w/ hypotonic-hyporesponsive episode, persistent, inconsolable crying lasting ≥3 hr w/in 48 hr vaccination; convulsions (w/ or w/o fever) w/in 3 days of vaccination. Edematous reactions of the lower limbs after inj of
H. influenzae type b.