Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 51 5 2013 05 15 334 336 EN Shahram Firoozbakhsh Division of Pulmonary and Intensive Care Medicine, Tehran University of Medical Sciences, Tehran, Iran. Reza Parsaei Department of General Surgery, Tehran University of Medical Sciences, Tehran, Iran. Reyhaneh Jafarshad Division of Pulmonary and Intensive Care Medicine, Tehran University of Medical Sciences, Tehran, Iran. 2015 10 11 Anticoagulation drugs are frequently used to prevent deep vein thrombosis in high-risk patients. Subcutaneous low molecular weight heparin (LMWH) is increasingly used in both hospitalized patients and outpatient settings. This necessitates familiarity of both health care providers and patients with such treatment and vigilance on possible complications. Here we present a case of hematoma of rectus sheath that occurred following subcutaneous injection of enoxaparin and was successfully treated with conservative management. https://acta.tums.ac.ir/index.php/acta/article/view/4436 https://acta.tums.ac.ir/index.php/acta/article/download/4436/4600