Congenital Sucrase-Isomaltase Deficiency (CSID)

Congenital sucrase-isomaltase deficiency (CSID) is a genetic disorder that affects a person’s ability to digest certain sugars. People with this condition cannot break down the sugars sucrose and maltose, and other compounds made from simple sugar molecules (carbohydrates), which can cause diarrhea, abdominal pain, and other symptoms. Sucrose (a sugar found in fruits, and also […]