Spectrum: Local Antimicrobial Stewardship, for Chapman University School of Pharmacy

Azithromycin

Oral Bioavailability

Moderate

Approximate Cost

Spectrum Of Activity

General Spectrum of Activity

Spectrum Of Activity

Dosing

Adult

500mg IV/PO x3 doses
or
500mg PO x1 then 250mg PO q24h for 4 days

General Information

Acceptable Uses

Brand Name

Zithromax

Drug Monitoring

Drug Monitoring

QTc

Adverse Effects

Adverse Effects

  • GI upset

  • Diarrhea

  • Prolonged QTc

Oral Liquids

Oral Liquids

  • 100mg/5mL

  • 200mg/5mL

Tablet/Capsule Strengths

Tablet/Capsule Strengths

  • 250mg tablet

  • 500mg tablet

  • 600mg tablet

Pharmacology

Pharmacology

Pharmacology: Inhibits protein synthesis

Antimicrobial class: Macrolide

Pregnancy category: B

Average serum half life: 68 hours

Urine penetration: Poor

CSF penetration: Poor