what are the macrolides?
erythromycin (IV/PO)
clarithromycin (PO)
azithromycin (IV/PO)
fidaxomicin (PO)
bacteriostatic, time dependent
ribosomal subunit affected?
50s
good against?
2nd line option against?
atypicals
-legionella, chlamydophilia, mycoplasma
t. palladium and borrelia burgdorferi
clinical uses?
resp chlamydial infections gastroparesis -erythromycin H. pylori ulcers Mycobacterium avium complex
QT prolongation?
yes
ototoxicity with IV infusion of erythromycin
hepatic
GI
potent inhibitors of CYP3A4? which one is the exception?
erythromycin and clarithromycin
azithromycin
indication of fidaxomicin?
C dif
inhibits RNA polymerase, bactericidal