Table 1.

Acquired causes of hemophagocytic syndrome

Infections	Autoimmunity	Others
Viral: Epstein-Barr, cytomegalovirus, herpes simplex, varicella, human immunodeficiency virus	Systemic lupus	Common variable immunodeficiency
Bacterial: Brucellosis, Tuberculosis	Still disease	Kawasaki disease
Parasites: Leishmaniasis	Systemic sclerosis	Lymphoproliferative diseases
Fungal	Sjögren’s	Antiretroviral T therapy
	Drug reaction (or rash) with eosinophilia and systemic symptoms syndrome
	Nodosum polyangiitis