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XYNTHA® Lyophilized Powder Dosage Forms and Strengths (antihemophilic factor [Recombinant])


XYNTHA is available as a white to off-white lyophilized powder in the following nominal dosages:

  • 250 International Units
  • 500 International Units
  • 1000 International Units
  • 2000 International Units

Each XYNTHA vial has the actual recombinant factor VIII (rFVIII) potency in International Units stated on the label.

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You may also contact the U.S. Food and Drug Administration (FDA) directly to report adverse events or product quality concerns at 1-800-FDA-1088 or