Acquired Hemophilia A following Pfizer-BioNTech SARS CoV-2 mRNA vaccine, successfully treated with prednisolone and rituximab.
Aarya MuraliPhilip WongPeter Jeffrey GilbarHilda M MangosPublished in: Journal of oncology pharmacy practice : official publication of the International Society of Oncology Pharmacy Practitioners (2022)
Four cases of AHA following administration of COVID mRNA vaccines (Pfizer and Moderna) have been documented. AHA should be a differential in patients presenting with bleeding following COVID-19 vaccination, in the presence of a normal platelet count. Rapid recognition, prompt initiation of immunosuppressive treatment and rigorous supportive cares are required to minimise morbidity and mortality.