* Increased destruction: Antineutrophil antibodies (Antineutrophil cytoplasmic antibody: Autoimmune neutropenia, Antinuclear antibodies: Systemic lupus erythematosus) and Drug implicated in causing neutropenia: Antiepileptic drugs (Carbamazepine, Valproate), antibiotic drugs (Sulfonamide, penicillin...) - My diagnosis based on diagnosis of treatment doctor and clinical symptoms as well as test results.