Answer
Contact the haemophilia centre immediately. Reduced response or breakthrough bleeding may indicate an inhibitory antibody and requires assessment.
Sources for this answer
- Fibrogammin 250 / 1250 IU — 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.