On the other hand, low factor (F)VIII activity (FVIII:C) and the anti-FVIII antibody (anti-FVIII Ab) were detected in some LAHPS patients, making it difficult to distinguish those from acquired hemophilia A. Patients with LAHPS experience mild to life-threatening bleeding [3,4], so early diagnosis is crucial for LAHPS patients. Here, F8 is linked to hemophilia A.