Dosing Chart

Dosing & Instillation

Infasurf® (calfactant) is ready to use, no mixing or warming required.

Infasurf® (calfactant) Dosing Chart

For Intratracheal Administration ONLY

Doses were calculated using the midpoint of each weight range and rounded off to one decimal point.

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Calculating THE Dose

  • Each dose of Infasurf® (calfactant) is 3 mL/kg body weight at birth
  • The Infasurf® (calfactant) Dosing Chart shows the total dose per administration for a range of birth weights

Important Considerations:

  • Infasurf® (calfactant) should be administered under the supervision of clinicians experienced in the acute care of newborn infants with respiratory failure who require intubation.