Pga. risikoen for allergiske reaktioner mod faktor IX- koncentrater skal de første indgivelser af faktor IX ske under lægeligt tilsyn i henhold til den behandlende læges vurdering, så der kan ydes passende medicinsk behandling af allergiske reaktioner.
Because of the risk of allergic reactions with factor IX concentrates, the initial administrations of factor IX should, according to the treating physician’ s judgement, be performed under medical observation where proper medical care for allergic reactions could be provided.