Antimicrobials
Azithromycin

Azithromycin

Medium
Moderate
PO:$ IV: $$

Spectrum of Activity

Dosing

General Information

  • Community acquired pneumonia

  • Pertussis

  • Upper respiratory tract infections

  • Chlamydia infections

  • Mycobacterial infections

  • Mycobacterium avium complex (MAC) prophylaxis in HIV patients

Monitor QTc in patients with increased risk.

Prolongation of QTc interval. Association with increased cardiovascular mortality in observational studies.

Prolonged half life may contribute to macrolide resistance.

  • Other drugs that prolong QTc

  • Increases cyclosporine levels

  • May increase digoxin levels

  • Statins increased risk of rhabdomyolysis

Antimicrobial class: Macrolide

Pregnancy category: B

Average serum half life: 68 hours

Biliary penetration: Therapeutic

CSF penetration: Poor

Lung penetration: Therapeutic

Urine penetration: Poor