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Wheeless' Textbook of Orthopaedics
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Rifampin



- Discussion:
    - for primary TB, treatment of assymptomatic carriers of N. meningitidis to eliminate meningococci from the nasopharynx;
    - it inhibits bacterial DNA dependent RNA polymerase activity;
    - note that rifampin should be administered 1hr before, or 2hr after a meal;
    - contraindicated with a h/o of hypersensitivity to rifampin;
    - use with caution in patients taking coumadin (incr requirments), liver dz,
    - use w/ caution with isoniazid (increased hepatotoxicty);
    - note: diffusion from blood into CSF adequate w/ or w/o Inflammation;
    - dosing regimens for patients with renal insufficiency: (for 70 kg Adult)
            - gm/dosing interval in hours: CrCl: >80:0.3-0.6/24;   50-79:0.3-0.6/24; 30-49: 0.3-0.6/24;   10-29: 0.3-0.6/24;
            - 6-30% of drug will be excreted in to urine (w/ nl RF(x))
    - adult dosing:
            - pulmonary TB: 600mg PO qd;
            - for meningococcal carriers: 600mg PO qd;
    - peds: meningococcus prophylaxis: 10 mg/kg/day qd x 3 days;
    - supplied: tab 300 mg;









Staphylococcus aureus nasal carriage and infection in patients on hemodialysis. Efficacy of antibiotic prophylaxis.

Role of rifampin for treatment of orthopedic implant-related staphylococcal infections: a randomized controlled trial. Foreign-Body Infection (FBI) Study Group.










Original Text by Clifford R. Wheeless, III, MD.