Abstract
BACKGROUND: Anemia is a disease that can co-exist with depression, other mental disorders, or somatic diseases. Anemia can imitate symptoms of depression, while depression symptoms can mask concurring symptoms of anemia. CASE PRESENTATION: I am presenting a case of a 48-year-old woman with Addison-Biermer anemia, with co-existing mood disorders. The clinical analysis of the presented patient's history indicates diagnostic problems and a need for a detailed analysis of drug-related complications that occurred during previous treatment, eg, in the form of neuroleptic malignant syndrome. CONCLUSION: The presented case report contains valuable guidelines that can be of assistance in diagnostics and treatment of patients treated for mental disorders, who are also diagnosed with somatic diseases.