Collagen is an important protein that can be found throughout your body. In fact, it is found in all the connective tissues in your body ranging from your skin and bones, all the way down to your organs and blood vessels. Collagen functions several different ways in your body.
Upper gastrointestinal bleeding. Upper gastrointestinal bleeding (sometimes upper GI, UGI bleed, Upper gastrointestinal hemorrhage, gastrorrhagia) is gastrointestinal bleeding in the upper gastrointestinal tract, commonly defined as bleeding arising from the esophagus, stomach, or duodenum. Blood may be observed in vomit (hematemesis) or in altered form in the stool (melena).
What is immune globulin intravenous (IGIV)? Immune globulin intravenous (IGIV) is a sterilized solution made from human plasma. It contains the antibodies to help your body protect itself against infection from various diseases. IGIV is used to treat primary immunodeficiency (PI), and to reduce the risk of infection in individuals with poorly functioning immune systems such as those with chronic lymphocytic leukemia (CLL).