Answer
Contact the haemophilia team promptly. Increased breakthrough bleeding can indicate an administration problem, another cause of bleeding or, uncommonly, antibodies that reduce emicizumab's effect.
Sources for this answer
- Hemlibra 30 mg/mL and 150 mg/mL Solution for Injection — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.