Table 1.

Conditions associated with acquired hemophilia A.

Idiopathic	Malignancy
Autoimmune diseases	Squamous cell cancer
Rheumatoid arthritis	Lymphoproliferative diseases
Systemic lupus erythematosus	Chronic lymphocytic leukemia
Myasthenia gravis	non-Hodgkin lymphoma
Multiple sclerosis	Multiple myeloma
Thyroid dysfunction	Medical agents
Autoimmune hemolytic anemia	Antibiotics
Inflammatory bowel diseases	Penicillins
Pemphigus	Sulfonamides
Graft versus host disease	Chloramphenicol
Pregnancy	Anticonvulsants (phenytoin)
	Antihypertensive (methyldopa)
	Bacillus Calmette-Guérin vaccination