**7.11 Differential diagnosis**

It includes other causes of haemolytic anaemia such as haemobartonellosis, autoimmune haemolytic anaemia, pyruvate kinase deficiency and Heinz body haemolytic anaemia. Other differentials include immune-mediated thrombocytopenia, systemic lupus erythematosus, leptospirosis, rickettsial diseases, dirofilariasis with caval syndrome, leptospirosis, zinc toxicity and neoplasia.
