FDA at 1-800-FDA-1088. Hematologic side effects have been the most pronounced. These have included methemoglobinemia , aplastic anemia , leukopenia , agranulocytosis , eosinophilia , macrocytic anemia , and Heinz bodies. Dapsone may induce a dose-related hemolytic anemia , which is more likely with doses greater than 200 mg/day or in patients