Rheumatoid arthritis - associated infection

- Involvement of multiple joints common.

- Recommend culture of joint prior to institution of therapy.

- Tailor antibiotics to C&S results.

- If on TNF inhibitors, consider unusual bacterial, mycobacterial, or fungal pathogens.

 
Usual Pathogens

S. aureus

 

Other:
Streptococcus spp
Enterobacterales

 

Empiric Therapy Dose Duration
Cefazolin 2g IV q8h 4 weeks

Cefazolin allergy/MRSA suspected

Empiric Therapy Dose Duration
Vancomycin 15mg/kg IV q12h 4 weeks
+    
Ceftriaxone 1-2g IV daily