Pharmacology General b0198a88 All of the following antibodies require dose adjustment in renal failure except? A Ceftriaxone B Isoniazid C Erythromycin D Gentamicin High-Yield Explanation Rifampicin, Erythromycin, Doxycycline, Nafcillin, Cefoperazone are metabolized by liver and are safe in renal failure.