This review aims to discuss as well as summarize the currently available information on gastrointestinal bleeding (GIB). The various types, categories, etiology, diagnosis, and managements of GI bleeding will be discussed. Gastrointestinal bleeding is a medical condition frequently encountered in clinical practice. Overt gastrointestinal bleeding usually presents as melena or hematemesis but can also present as hematochezia in cases of brisk bleeding ...