LEVOFLOXACIN

(Levaquin)

Standard Prescription

levofloxacin __ mg PO Q__H (__ mg/kg/dose)

levofloxacin __ mg IV Q__H (__ mg/kg/dose)

Dosages

Children:
6 mo to <5 yrs: 10 mg/kg/dose PO Q12H
>=5 yrs: 10 mg/kg/dose PO once daily
Maximum: 750 mg/day

Adults:
500-750 mg PO once daily

IV: same dosage as PO

Mechanism of Action

Fluoroquinolone antibiotic; inhibits bacterial DNA synthesis.

Forms Supplied

tablet: 250 mg, 500 mg, 750 mg
oral suspension (BCCH):
50 mg/mL
IV solution:
5 mg/mL in 5% dextrose injection

Comments

Oral bio-availability = 99%.

Avoid concomitant administration with antacids, sucralfate, ferrous sulfate, calcium supplements; space doses by 2-4 hours.

Dosage adjustment required in renal impairment.

Risk of cartilage damage found in animal models, but not shown in humans.

Use treatment dosing for prophylaxis of bloodstream infections in select oncology patients. Refer to Prophylaxis of Bloodstream Infections guideline for more information

References

6, 44, 255, 256, 626

Last Edited

2022-07-04 19:17:30