Ondansetron (Zofran)

Gastroenterology (Antiemetic)

Dosing & Administration

Adult Dose

4-8 mg PO/IV every 8 hours PRN.

Pediatric Dose

0.15 mg/kg IV (max 16 mg/dose).

Renal Adjustment

No adjustment necessary.

Hepatic Adjustment

Max 8 mg/day in severe impairment (Child-Pugh C).

Safety & Special Populations

Pregnancy Category

B

Lactation Safety

Compatible.

Contraindications & Adverse Effects

Contraindications

  • Concurrent use with apomorphine
  • Long QT syndrome

Common Adverse Effects

  • Headache
  • Constipation
  • QT prolongation