Many conditions — including infections, liver disease and some cancers — can cause an enlarged spleen. An enlarged spleen is also known as splenomegaly (spleh-no-MEG-uh-lee). An enlarged spleen usually doesn't cause symptoms.

Understanding the Context

It's often discovered during a routine physical exam. Enlarged spleen: Learn the possible causes of an enlarged spleen, symptoms to be aware of, and treatments that can help. Splenomegaly (enlarged spleen) symptoms include abdominal pain and early fullness. Treatment depends on the cause, such as infections or liver disease.

Key Insights

An enlarged spleen may not always present noticeable symptoms and is sometimes discovered during routine physical examinations. When symptoms do occur, they often involve discomfort or pain in the upper left side of the abdomen. What Are the Symptoms and Signs of an Enlarged Spleen? Splenomegaly does not have any specific symptoms. Vague abdominal pain and bloating are the most common, but still nonspecific, symptoms of an enlarged spleen.

Final Thoughts

An enlarged spleen may be up to 20 cm long and can weigh more than 1,000 g. Several things can cause your spleen to enlarge, including inflammation, fat storage, pooled blood, benign or malignant growths and overproduction of cells. What it is: Fluid-filled sacs that form in the spleen. Symptoms: Abdominal pain, discomfort, feeling full without eating. When to worry: Persistent abdominal pain or discomfort. When to see a doctor: Consult a doctor if symptoms persist or worsen over time.

Because the enlarged spleen lies next to the stomach and sometimes presses against it, people may feel full after eating a small snack or even without eating. People may also have abdominal or back pain in the area of the spleen in the upper left part of the abdomen or the left side of the back. Learn what conditions cause an enlarged spleen, how it feels, and when it becomes a serious concern worth discussing with your doctor. How do you know if your spleen is enlarged?