Zmax Dosage

Generic name: Azithromycin Extended-Release Oral Suspension
Drug class: Macrolides

Medically reviewed by  A Ras MD. Last updated Oct 6, 2022

 Recommended Adult Dosing

Dosage forms:  ER SUSP: 2 g per 74 mL

Special Note

[formulation clarification]

Info: 1 reconstituted bottle = 74 mL susp = 2 g azithromycin

Pneumonia, community-acquired

[2 g PO x1]

Info: give on empty stomach, 1h before or 2h after food; if vomiting occurs w/in 5min may repeat dose, if w/in 5-60min consider alternate tx, if >60min do not repeat dose or use alternate tx

Renal dosing

CrCl >10: no adjustment; CrCl <10: not defined, caution advised

HD/PD: no adjustment; no supplement

Hepatic dosing

[not defined]

hepatic impairment: caution advised

 Recommended Peds Dosing

Dosage forms:  ER SUSP: 27 mg per mL

Pneumonia, community-acquired

[6 mo and older]

Dose: 60 mg/kg/dose PO x1; Max: 2 g/dose; Info: give on an empty stomach, 1h before or 2h after food; if vomiting occurs w/in 5min may repeat dose, if w/in 5-60min consider alternate tx, if >60min do not repeat dose or use alternate tx

Renal dosing

CrCl >10: no adjustment; CrCl <10: not defined, caution advised

HD/PD: no adjustment; no supplement

Hepatic dosing

[not defined]

hepatic impairment: caution advised

SRC: NLM .