Tag Archives: digestion

What is sofosbuvir, and how does it work? Sofosbuvir is an oral, direct-acting antiviral agent used for treating infections with the hepatitis C virus (HCV). Other direct-acting hepatitis C treatments include: boceprevir (Victrelis) telaprevir (Incivek) simeprevir (Olysio) After administration sofosbuvir is first converted to an active form. The active form of sofosbuvir interferes with multiplication …

What are PEG and electrolytes? PEG and electrolytes are oral solutions used prior to colonoscopy and other examinations or procedures to cleanse the intestines, in particular, the large bowel or colon. The PEG remains in the intestines where it retains water by producing an osmotic effect. This causes a watery stool, in fact, diarrhea, which rapidly cleanses the bowel within …

What is simeprevir, and how does it work (mechanism of action)? Simeprevir is an oral, direct-acting an-tiviral agent used for treating infections with the hepatitis C virus (HCV). Boceprevir (Victrelis), telaprevir (Incivek), and sofosbuvir (Sovaldi) are other direct-acting drugs for treating HCV. Simeprevir blocks the effect of pro-teases which are enzymes that HCV needs for making new viruses, leading to …

What is boceprevir, and how does it work (mechanism of action)? Boceprevir is a man-made antiviral medication that targets hepatitis C virus (HCV). Similar drugs include simeprevir (Olysio) and telaprevir (Incivek). These drugs are called direct-acting antiviral agents because they act directly on hepatitis C virus. They block the replication of hepatitis C virus in human cells by binding to …

*Ricin definition and facts *Ricin definition and facts medically edited by: John P. Cunha, DO, FACOEP Ricin is a toxic protein found naturally in castor beans from the castor bean plant (Ricinus communis). It can be deadly, but it depends on the dose and route of exposure. If castor beans are chewed and swallowed ricin can be released, however, simply …

Lactose intolerance definition and facts Lactose intolerance is an inability to digest lactose, the main sugar in milk, which gives rise to gastrointestinal symptoms. Lactose intolerance is caused by a deficiency of the intestinal enzyme lactase that splits lactose into two smaller sugars, glucose and galactose, and allows lactose to be absorbed from the intestine. Virtually all individuals are born …

Percutaneous endoscopic gastrostomy facts Percutaneous endoscopic gastrostomy is a procedure that allows nutritional support for patients who cannot take food orally. Percutaneous endoscopic gastrostomy involves placement of a tube through the abdominal wall and into the stomach through which nutritional liquids can be infused. Percutaneous endoscopic gastrostomy is a surgical procedure; however, it does not require opening the abdomen or …

What is a stool acidity test? Readers Comments 1 Share Your Story The stool acidity test is a test for diagnosing intolerance to lactose, the sugar contained in milk, in infants and very young children. What is lactose intolerance? Lactose intolerance is the inability to digest the lactose sugar in milk. Milk containing the sugar lactose is a main source …

What is a hepatic hemangioma? Hepatic hemangiomas are thought to be present in as many as 7% of healthy people. Hemangiomas are four to six times more common in women than in men. Female hormones may promote the formation and growth of hemangiomas. Hemangiomas, although referred to as tumors, are not malignant and do not become cancerous. Hemangiomas are not …

Though many gastrointestinal disorders can be treated successfully with lifestyle changes or medications, some conditions may require surgery. Laparoscopic surgery and hand-assisted laparoscopic surgery (HALS) are, “minimally invasive” procedures commonly used to treat diseases of the gastrointestinal tract. Unlike traditional surgery on the colon or other parts of the intestines where a long incision down the center of the abdomen …