Common Causes And Risk Factors For Esophageal Varices

Esophageal varices are enlarged, abnormally formed veins in the esophagus, which connects the stomach to the throat. Most commonly, the condition forms in individuals who have serious liver diseases. The condition develops when scarring or clotting in the liver causes normal blood flow to become blocked. To circumvent the blockages, the blood moves into small blood vessels that don't have the capacity to carry large amounts of blood. These vessels might leak or, in serious cases, rupture and cause life-threatening bleeding. Physicians might suspect the condition in patients with certain symptoms of liver disease.

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Parasitic Infection

A parasitic infection can lead to esophageal varices if it damages the liver. One infection, called schistosomiasis, is found in portions of East Asia, the Middle East, the Carribean, South America, and Africa. In addition to damaging the liver, this parasite can damage a patient's bladder, intestine, lungs, and other organs. The parasites are naturally found in certain freshwater snails. Individuals might become infected if their skin contacts contaminated freshwater. Though a few individuals might have minor skin irritation when first infected, there don't tend to be serious symptoms until eggs develop around one or two months later. Common symptoms include muscle aches, cough, chills, and fever, though many patients don't experience any symptoms. When the disease develops into acute schistosomiasis, the symptoms can include bloody diarrhea, a general feeling of unwellness, headaches, rashes, full-body aches, and abdominal pain around the spleen and liver.

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