Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 10/8/2025

Treatment of Autoimmune Hemolytic Anemia

Introduction to AIHA Treatment

  • The American College of Hematology recommends avoiding fluoroquinolones, such as ciprofloxacin, in patients with autoimmune hemolytic anemia (AIHA) due to the risk of exacerbating hemolysis 1
  • Ciprofloxacin is not used to treat AIHA as it is an antibiotic used for bacterial infections, not an immunosuppressive or hemolysis-modifying agent 2

First-Line Therapy for AIHA

  • The European Society for Medical Oncology recommends corticosteroids (prednisone 1-2 mg/kg/day for severe cases or 0.5-1 mg/kg/day for moderate cases) as the standard first-line treatment for warm AIHA, with expected response rates of 70-80% 3, 4
  • Folic acid supplementation (1 mg daily) should be administered to support increased erythropoiesis, as suggested by medical guidelines 5
  • Hemoglobin levels should be monitored weekly until steroid tapering is complete, according to clinical recommendations 5

Second-Line Therapy for Refractory AIHA

  • The American College of Rheumatology suggests rituximab (375 mg/m² weekly for 4 weeks) as a preferred second-line treatment for steroid-refractory or relapsed warm AIHA, with effectiveness in 70-80% of cases 3, 4
  • Immunosuppressive agents such as azathioprine, cyclophosphamide, cyclosporine, or mycophenolate mofetil may be considered for refractory cases, as recommended by the European Society for Medical Oncology 3, 4, 6

Additional Therapies for AIHA

  • Intravenous immunoglobulin (IVIG) may be considered in acute phases or cases with inadequate response to high-dose corticosteroids, as suggested by medical guidelines 3, 4

Special Considerations

  • If drug-induced hemolytic anemia is suspected, the causative drug must be immediately discontinued, followed by supportive care and corticosteroids (prednisone 0.5-2 mg/kg/day) for moderate to severe cases, according to clinical recommendations 7