Gurler, MujganAktas, Gulali2017-01-192017-01-192016Gurler Mujgan, Aktas Gulali. Etiology of Non-variceal Bleeding of upper Gastrointestinal System: A Brief Review. British Journal of Medicine and Medical Research. 2016; 11(11):1-4.2231-0614http://imsear.searo.who.int/handle/123456789/182105Upper gastrointestinal bleeding (UGB) has important morbidity and mortality risk and these risk increases when co-morbidities exist. Nonsteroidal anti-inflammatory drugs use and Helicobacter Pylori infection are risk factors for peptic ulcer bleeding. Peptic ulcer disease is the most common cause of non variceal UGB. However, other rare causes should be responsible for UGB especially in treatment resistant cases.enUpper gastrointestinal bleedingpeptic ulcernonsteroidal anti-inflammatory drughelicobacter pylori infection.Etiology of Non-variceal Bleeding of upper Gastrointestinal System: A Brief Review.Article