Objective: To determine the frequency and type of various bleeding disorders in hematology patients who enter the medical ward. Study Design: A Cross-sectional and observational study. Place and Duration: In the Medicine Unit II and Hematology department of Services Hospital Lahore for one year period from June 2017 to June 2018. Methodology: All patients who had bleeding and who admitted in the medical and hematology department during the study were included in the study with undesirable

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... ility sampling. Fifty patients were found to meet the diagnostic criteria for the study. Results: There are many underlying causes of bleeding disorder, one has been investigated. In 50 cases, idiopathic thrombocytopenic purpura is the most common bleeding disorder, followed by bone marrow failure, coagulation disorders and liver disorders. Conclusion: Bleeding disorder with different etiologies in patients with excessive bleeding in medical and hematology had been investigated. Further studies are needed to investigate these underlying disorders. Key words: Chronic liver disease, idiopathic thrombocytopenic purpura, activated partial thromboplastin.