41 results
Rifamycins - Antibiotics Class Overview

Include Rifampin, Rifaximin, Rifapentine, Rifabutin.

Mechanism: Inhibits bacterial DNA-dependent RNA polymerase (unique mechanism).
Overview Include Rifampin ... Rifampin (PO and ... Overview #Rifamycins #Rifampin
Rifampin Urine 

Patient on long term rifampin therapy for infected hardware

- Christopher Nemeh, M.D.
@CNemehMD

#Rifampin #Orange #Urine
Rifampin Urine ... Patient on long term rifampin ... @CNemehMD #Rifampin
Rifampin Drug Interactions and Monitoring
Rifampin Drug Interactions of Major Clinical Significance:
Oral anticoagulants, Oral contraceptives, Cyclosporine, Digitoxin,
Rifampin Drug Interactions ... and Monitoring Rifampin ... Theophylline, Verapamil Rifampin ... Tacrolimus, Tocainide #Rifampin
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
Increased bilirubin - Rifampin ... /rifampicin, Phenazopyridine
Treatment of Latent Tuberculosis Infection
 - 3 mos isoniazid plus rifapentine given once weekly (Preferred)
 -
Preferred) - 4 mos rifampin ... isoniazid plus rifampin
Drugs Implicated in Hemolytic Anemia
 • Hapten (Drug binding to RBC membrane): Penicillin, Cephalosporin, Tetracycline, Tolbutamide,
Quinine, Probenecid, Rifampin ... , Sulfa drugs, Rifampin
Doses of Antituberculosis Drugs for Adults and Children - IDSA
First-line drugs:
 • Isoniazid
 • Rifampin
 •
Isoniazid • Rifampin
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
disorder • Meds: rifampin ... hyperbilirubinemia • Meds: rifampin
Antibiotic Classification by Mechanism of Action

Cell Wall Synthesis: 
Penicillins 
Cephalosporins 
Carbapenems 
Monobactams 
Beta-lactamase inhibitors
Glycopeptides 

 Protein
mRNA Synthesis: Rifampin
Antibiotics and CNS Diffusion

1. Drugs with good CNS diffusion:

- Fluoroquinolones, Fluconazole, voriconazole, Rifampin, Oxazolidinones, Metronidazole

2. Drugs
voriconazole, Rifampin