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Rifampin Prophylaxis for Contacts of Haemophilus influenzae Type b Disease

Frederick Cox, MD; Rose Trincher, MD; J. Peter Rissing, MD; Maurice Patton, MD; George H. McCracken Jr, MD; Dan M. Granoff, MD
JAMA. 1981;245(10):1043-1045. doi:10.1001/jama.1981.03310350031018.
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Rifampin prophylaxis (20 mg/kg once daily for four days) was used in close contacts of children with Haemophilus influenzae type b (HIB) disease. Two hours after a dose, the concentration of rifampin in serum and saliva exceeded the minimum bactericidal concentrations of organisms obtained from four of the carriers. In both a randomized prospective and an open study, nasopharyngeal carriage was eradicated in 37 (95%) of 39 contacts. No cases of serious H influenzae disease occurred in four to six months of follow-up. At the dose and treatment schedule used, rifampin was safe and effective for eradication of HIB carriage.

(JAMA 1981;245:1043-1045)


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