According to the Mayo Clinic, symptoms of an enlarged liver include abdominal pain, fatigue, yellowing of the skin and the whites of the eyes, nausea and vomiting. However, some people may experience no symptoms at all.
An enlarged liver, or hepatomegaly, occurs when the liver swells above its normal size, according to WebMD. An enlarged liver is usually a symptom of an underlying condition, such as a viral infection, certain types of hepatitis, cysts and tumors. However, there are many other conditions that could cause the liver to swell. Additional causes include specific medicines, toxins, certain metabolic and autoimmune diseases and even an excess buildup of fat and proteins in the liver. An enlarged liver may also be caused by problems with blood flow, including congestive heart failure and hepatic vein thrombosis, which is a blockage in the veins of the liver. Having an enlarged liver is a very dangerous condition that could lead to liver failure and the Mayo Clinic recommends visiting one's doctor if symptoms arise. The doctor can perform several tests to determine the cause of the liver enlargement including blood tests, CT scans or even a liver biopsy, according to WebMD. Once the underlying condition is discovered, the doctor can then begin treatment.