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Splenomegaly: What You Need to Know

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Splenomegaly, or splenic enlargement, often causes pain, fatigue, or a sensation of fullness. Early diagnosis with blood tests and imaging helps.

Medically reviewed byDr. Shaikh Sadaf
Published At January 4, 2023
Reviewed AtSeptember 23, 2025

What Is Splenomegaly?

Splenomegaly is the medical term used to describe an enlarged spleen. The spleen is a small organ found beneath your left ribcage. It serves to filter your blood, battle infections, and store blood cells such as red cells, white cells, and platelets. When your spleen enlarges to a size greater than usual, doctors refer to it as splenomegaly. Sometimes, the spleen is just slightly larger, known as mild splenomegaly. Occasionally, it may be greatly enlarged and visible or readily palpable under the ribs. An enlarged spleen that can be seen may be evidence that your body is combating an infection or other illness.

Not all individuals with an enlarged spleen recognize it. Some individuals experience no symptoms whatsoever. Others experience discomfort in the upper left belly or feel full too quickly when they are eating. Women's spleen pain symptoms sometimes mimic stomach or kidney pain and should be checked out properly. Some individuals attempt an enlarged spleen self-test at home by tapping on the left side of the belly, but this is not always reliable. A physician can determine whether the spleen is enlarged via examination and diagnostic tests.

Is an Enlarged Spleen Serious?

An enlarged spleen can be serious, depending on the underlying cause. Minor splenomegaly may not have significant issues. Doctors may just keep monitoring it with regular checkups at times. However, if the spleen is extremely enlarged or the associated disease is severe, then complications may arise.

An overly large spleen is more likely to rupture, a life-threatening situation. Bleeding and great pain may be the result of a ruptured spleen. The spleen also influences blood cells. Too many blood cells can be trapped by an enlarged spleen, leading to anemia. You can feel weak, susceptible to infection, or have easy bleeding.

What Are the Signs and Symptoms of Splenomegaly?

The signs and symptoms of splenomegaly may differ among individuals. Common symptoms include:

  • Pain or fullness in the left upper belly or left shoulder.

  • Feeling full even after consuming a small meal.

  • Weakness or tiredness due to low blood counts.

  • Recurring infections occur because the spleen is unable to fight germs effectively.

  • Easy bruising or bleeding.

  • In some cases, the enlarged spleen can be felt (palpated) during a physical exam

  • A woman's spleen pain symptoms can be a dull pain below the ribs. Usually, pain increases after exercise.

What Causes Splenomegaly?

There are numerous reasons for the spleen to get enlarged. Some of the most frequent causes include:

  • Infections: Viral infections such as mononucleosis (a contagious infection, often called the kissing disease), bacterial infections, malaria, and other infections can cause the spleen to swell.

  • Liver issues: Fatty liver (excessive amount of fat builds up in the liver), cirrhosis (permanent scarring of the liver), and hepatitis (liver inflammation) are some of the conditions that cause splenomegaly. Treatment for fatty liver and enlarged spleen is mostly through lifestyle modifications and curing the liver disorder.

  • Blood disorders: Anemia (low level of red blood cells), leukemia (blood cancer), lymphoma (cancer of white blood cells), and other blood disorders can cause the spleen to enlarge.

  • Inflammatory illness: Autoimmune illnesses such as lupus or rheumatoid arthritis (autoimmune disorder of the joints) can invade the spleen.

  • Cancer: Cancer in other organs or the spleen alone may induce enlargement. At times, mild splenomegaly is present without an apparent reason. Doctors then check the spleen from time to time.

What Are the Complications of Splenomegaly?

An enlarged spleen can result in a few complications if not treated. They are:

  • Rupture: Sudden disruption of the spleen results in severe pain and bleeding inside. This can be fatal and requires immediate attention.

  • Low blood counts: The spleen can trap red blood cells, white blood cells, or platelets. This results in anemia, risk of increased infections, and easy bruising.

  • Pain and discomfort: A very enlarged spleen can produce persistent pain in the upper left stomach or shoulder.

  • Size: Splenomegaly size can assist physicians in knowing the danger of complications. The larger the spleen, the more vigilant observation is required.

How Is Splenomegaly Diagnosed?

Physicians also consider the size of the splenomegaly to determine whether treatment or observation is indicated. It is possible that some individuals attempt to diagnose splenomegaly themselves with an enlarged spleen self-test. Nonetheless, the size of the spleen can only be accurately determined by a physician. Signs of splenomegaly can, on occasion, be mistaken for heart, lung, or stomach issues, and hence, medical assessment is necessary.

Some of the diagnostic methods to determine whether you have an enlarged spleen include:

  • Physical exam: The physician examines the left upper stomach to percuss the spleen.

  • Blood tests: These can screen for anemia, infection, or liver disease.

  • Imaging tests: Ultrasound, CT (computed tomography) scan, or MRI (magnetic resonance imaging) can easily demonstrate spleen size.

  • Biopsy: Only in rare instances is a small sample of tissue removed to examine for cancer or other diseases.

How Do Doctors Treat Splenomegaly?

Treatment varies depending on the reason for spleen enlargement. Some are:

  • Treating Infections: Antibiotics or antiviral drugs might be helpful if the spleen is swollen due to infection.

  • Treating Liver Issues: Treatment of fatty liver and enlarged spleen might involve dietary changes, exercise, and treatment of the underlying disease of the liver.

  • Treatment for Blood Disorders: Drugs can be given for anemia, leukemia (blood cancer), or other issues with the blood.

  • Surgery: In some cases, rarely, the spleen may be removed (splenectomy) if it is extremely enlarged or vulnerable to rupture.

  • Lifestyle Measures: Avoiding activities that can damage the spleen, such as contact sports or heavy lifting. Mild splenomegaly treatment typically includes monitoring and treating the underlying cause and not removing the spleen.

How Can You Live with Splenomegaly and Manage It Daily?

It takes care and caution to live with an enlarged spleen. By following the measures below, you can safely live with splenomegaly and lower the likelihood of complications.

  • Stay away from sports and strenuous physical activities. Follow a healthy diet to promote liver and blood health.

  • Take medications exactly as directed by the doctor.

  • Stay up-to-date with vaccinations, particularly if your spleen is compromised.

  • Attend regular checkups to track spleen size and overall health.

  • Call your doctor right away if new pain, swelling, or unexplained bruising occurs.

Conclusion

Splenomegaly is a medical term for the enlargement of the spleen. It can be caused by infections, liver conditions, blood diseases, inflammation, or cancer. Symptoms can be pain in the belly, tiredness, or bloating. Mild splenomegaly might simply have to be monitored, but in severe cases, treatment is necessary. Rupture and low blood counts are considered serious. Proper treatment, early diagnosis, and lifestyle management can significantly help manage splenomegaly.

Key Takeaway

  • If you experience spleen pain or the signs of an enlarged spleen, consult a doctor immediately.

  • Spleen enlargement can be diagnosed with simple blood tests and imaging in the early stages.

  • Treating the root cause, observing spleen size, and taking everyday precautions will enable you to live safely with this condition.

  • For further information and custom suggestions, you can consult our specialists at iCliniq.

Frequently Asked Questions

The normal spleen measures approximately 11 to 12 cm in length and 7 cm in width. It usually measures about 150 grams in adults. Sizes may vary slightly depending on age, sex, and body build.

An enlarged spleen can become normal with proper management. Treating the underlying cause is critical. Regular monitoring helps to ensure that the size of the spleen decreases safely.

Fatty, fried, and processed foods strain the liver. Reduce junk food, sugar, and alcohol consumption. Eat light, nutritious food for overall health.

Fatty liver may cause splenomegaly. This is brought about by elevated pressure within the liver vessels. Improving liver health may decrease spleen enlargement over time.

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