Answer
Contact the haemophilia team urgently. A poor response may indicate an inhibitor or another cause requiring specialist assessment.
Sources for this answer
- Replenine-VF 50 IU/ml powder and solvent for solution for injection — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.