Agranulocytosis can be congenital or acquired. Common causes of acquired agranulocytosis include:  
Medications Clozapine Deferiprone Sulfasalazine Ticlopidine Rituximab Quinine Trimethoprim-sulfamethoxazole
Chemotherapy Bone marrow transplant Systemic lupus erythematosus (SLE) Rheumatoid arthritis HIV Hepatitis Leukemia Myelodysplasia
What is agranulocytosis and what causes it?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is agranulocytosis and what causes it? [/INST] \n Agranulocytosis can be congenital or acquired. Common causes of acquired agranulocytosis include:  
Medications Clozapine Deferiprone Sulfasalazine Ticlopidine Rituximab Quinine Trimethoprim-sulfamethoxazole
Chemotherapy Bone marrow transplant Systemic lupus erythematosus (SLE) Rheumatoid arthritis HIV Hepatitis Leukemia Myelodysplasia</s>