- Inhibits bacterial DNA-dependent RNA polymerase
- Never given alone due to rapid resistance
- Adverse effects include drug-drug interactions, rash, hepatitis, influenza-like illness, neutropenia, and thrombocytopenia
- Avoid in liver failure
Dosing
- As adjunct to fluoroquinolone for Staphylococcus aureus:
- Weight <60 kg: 600 mg p.o. daily
- Weight >60 kg: 450 mg p.o. twice daily
