What is an enlarged spleen? 4 causes and effective treatments

According to medical research statistics, an enlarged spleen (splenomegaly) is not a disease in itself but rather a sign of many other health problems such as infections, liver disease, blood disorders, or blood cancer. Many people only discover this condition during routine health check-ups or after symptoms such as dull pain in the left abdomen, feeling full quickly, and prolonged fatigue appear. If not treated properly, an enlarged spleen can increase the risk of anemia, reduced immunity, abnormal bleeding, and even lead to a ruptured spleen – a dangerous complication requiring emergency care.

This article will help you understand the causes of splenomegaly, methods for treating an enlarged spleen based on the cause, when medication or surgery is needed or just monitoring, and important lifestyle considerations to protect the spleen and prevent complications. Tiptory will also share easy-to-understand medical knowledge, helping you know when to see a doctor and choose the most appropriate treatment to recover your health quickly.

Treating an enlarged spleen based on the cause

Identify the cause of the enlarged spleen before treatment

• Treatment for an enlarged spleen always begins by finding the underlying cause, as an enlarged spleen is often a sign of another health condition rather than an independent disease.

• Doctors may order a clinical examination combined with blood tests, ultrasound, CT scans, or other specialized tests to pinpoint the exact cause.

• After diagnosis, a plan for treating the enlarged spleen will be tailored to each individual to improve spleen function and reduce the risk of complications.

Treatment according to specific causes

• If splenomegaly is caused by an infection, the doctor may prescribe antibiotics suitable for the type of bacteria causing the disease.

• If the cause is an autoimmune disease such as systemic lupus erythematosus or other immune disorders, treatment will focus on controlling the underlying disease with appropriate medications as prescribed by the doctor.

• In other cases such as liver disease, blood disorders, viral infections, or certain blood cancers, the method of treating an enlarged spleen will focus on treating the underlying pathology rather than just addressing the enlarged spleen.

Do not self-medicate for an enlarged spleen

• Do not self-prescribe medication or apply treatment methods without first identifying the cause of the enlarged spleen.

• Incorrect medication use can delay diagnosis, worsen the disease, or increase the risk of complications.

• Follow your doctor's instructions and attend follow-up appointments as scheduled to monitor spleen size and evaluate treatment effectiveness.

Part 1: Signs of an enlarged spleen and its causes

Sign 1: Recognizing the symptoms of an enlarged spleen

Pay attention to warning signs of an enlarged spleen

• Not everyone with an enlarged spleen experiences obvious symptoms. Many cases are discovered incidentally during health check-ups or through ultrasound or CT scans for another reason.

• However, when the spleen's size increases or its function is affected, the body may send warning signals that you should not ignore.

• If symptoms persist or worsen, see a doctor early to determine the cause and get appropriate treatment for the enlarged spleen.

Pain or fullness in the upper left abdomen

• This is a common symptom of an enlarged spleen. Pain usually occurs in the upper left abdomen, just below the ribs.

• Some people feel a dull ache or heaviness, while others may experience more pain when taking a deep breath or exercising vigorously.

• If the pain radiates to the left shoulder or is suddenly severe, seek immediate medical attention as this could be a sign of a dangerous complication.

Feeling full quickly or unable to eat much

• When the spleen is enlarged, it can press on the stomach, causing you to feel full quickly even after eating a small amount of food.

• This prolonged condition can reduce food intake, affecting nutrition and overall health.

Prolonged fatigue

• Feelings of fatigue and lack of energy may occur if an enlarged spleen is associated with anemia, infection, or blood disorders.

• If fatigue does not improve despite adequate rest, you should see a doctor to find the cause.

Prone to infections

• Individuals with an enlarged spleen may experience recurrent infections if the cause is diseases affecting the immune system or spleen function.

• Be aware if you frequently experience fever, sore throat, respiratory infections, or other infections in a short period.

Persistent hiccups

• Hiccups are less common but can still occur when the spleen is enlarged, irritating the diaphragm or nearby structures.

• If hiccups last for several hours or appear with other symptoms such as left abdominal pain, fatigue, or feeling full quickly, you should see a doctor to evaluate the cause.

Sign 2: See a doctor early if an enlarged spleen is suspected

See a doctor immediately if you suspect an enlarged spleen

• If you experience symptoms suggesting an enlarged spleen such as pain in the upper left abdomen, feeling full quickly, prolonged fatigue, or frequent infections, you should see a doctor as soon as possible.

• Early examination helps accurately identify the cause of the enlarged spleen, allowing for the selection of appropriate treatment for the enlarged spleen and reducing the risk of complications.

Prepare symptom information to aid diagnosis

• During the examination, the doctor will ask in detail about the symptoms you are experiencing, including:

  • When the symptoms started.

  • The intensity of pain or discomfort.

  • Frequency and duration of symptoms.

  • Existing medical conditions, current medications, and relevant medical history.

• Providing complete information will help the doctor assess the cause more accurately.

The doctor will examine the abdomen to evaluate the spleen

• The doctor usually performs a clinical examination by palpating the upper left abdomen, just below the costal margin, to check for splenomegaly.

• If an enlarged spleen is suspected, you may be referred for additional tests such as blood tests, abdominal ultrasound, CT scan, or MRI to determine the spleen's size and find the cause of the disease.

Do not be complacent as an enlarged spleen can cause complications

• An enlarged spleen can affect the activity of the immune system and lymphatic system, increasing the risk of infection, anemia, or a decreased platelet count.

• In some cases, an excessively large spleen can also rupture, causing internal bleeding and life-threatening complications if not treated urgently.

Go to a medical facility immediately if you have severe left abdominal pain

• Seek emergency care immediately if you experience severe pain in the upper left abdomen, especially if the pain appears suddenly or radiates to the left shoulder.

• This could be a sign of a serious complication such as a ruptured spleen, which requires urgent diagnosis and treatment to save your life.

Sign 3: Performing diagnostic tests

Perform tests as prescribed by your doctor

• If splenomegaly is suspected after a clinical examination, the doctor will order one or more additional tests to confirm the diagnosis and find the cause of the enlarged spleen.

• The type of test chosen will depend on the symptoms, medical history, and abnormal signs noted by the doctor during the examination.

• Accurate diagnosis of the cause is an important step in developing an appropriate and effective treatment plan for an enlarged spleen.

Abdominal X-ray

• X-rays can help the doctor visualize the overall abdominal organs and detect initial abnormalities.

• However, this method is often used in combination with other imaging techniques to accurately assess the size and condition of the spleen.

Abdominal ultrasound

• Ultrasound is one of the most commonly used tests to evaluate splenomegaly.

• This method helps determine the spleen's size, detect related abnormalities, and monitor the disease's progression without using X-rays.

Computed Tomography (CT) scan

• A CT scan produces detailed images of the spleen and surrounding organs, helping the doctor assess the degree of enlargement and look for causes such as trauma, tumors, abscesses, or other pathologies in the abdomen.

• In some cases, the doctor may order a contrast injection for clearer images.

Complete Blood Count (CBC) test

• A CBC test helps check the number of red blood cells, white blood cells, and platelets.

• This is an important test because an enlarged spleen is often associated with blood disorders or causes an abnormal decrease in blood cell counts.

Liver function tests

• The liver and spleen are closely related in the portal circulatory system, so the doctor may order liver function tests to look for conditions such as hepatitis, cirrhosis, or portal hypertension.

• Test results help determine whether liver disease is the cause of splenomegaly.

Bone marrow biopsy when necessary

• In some cases of suspected blood disorders or hematological cancers, the doctor may order a bone marrow biopsy.

• This is a specialized test that helps evaluate blood cell formation and supports the diagnosis of underlying causes of splenomegaly when conventional tests are not conclusive.

Sign 4: Understanding the causes of an enlarged spleen

Discuss the diagnosis thoroughly with your doctor

• After all test results are available, the doctor will explain the cause of the enlarged spleen, its impact on your health, and the appropriate course of treatment.

• You should proactively ask about the cause of the disease, methods for treating the enlarged spleen, treatment duration, recovery prospects, and follow-up appointments to clearly understand your condition.

• Understanding the diagnosis will help you cooperate better with your doctor during treatment and long-term health monitoring.

Bacterial or viral infections

• This is one of the common causes of splenomegaly.

• Infections caused by bacteria or viruses can make the spleen work harder to fight off pathogens, leading to organ enlargement.

• Among these, infectious mononucleosis is one of the conditions often associated with an enlarged spleen.

Liver diseases

• Diseases such as cirrhosis, chronic hepatitis, or portal hypertension can cause blood to pool in the spleen, leading to an increase in its size.

• Good treatment of liver disease often contributes to improving splenomegaly and reducing the risk of complications.

Blood disorders

• Certain hematological disorders such as hemolytic anemia, leukemia, or myeloproliferative diseases can cause splenomegaly.

• In these cases, the doctor will focus on treating the underlying blood disorder to control the enlarged spleen.

Cancer and malignant diseases

• Some types of cancer, especially blood cancers such as leukemia or lymphoma, can cause abnormal splenic enlargement.

• If this cause is suspected, the doctor will order specialized tests to confirm the diagnosis and develop an appropriate treatment plan.

Not always possible to find the cause

• In some cases, despite numerous tests, doctors still cannot pinpoint the exact cause of an enlarged spleen.

• This does not mean that an enlarged spleen cannot be treated. The doctor will continue to closely monitor your condition, treat symptoms, conduct periodic evaluations, and intervene when necessary to protect spleen function and prevent complications.

Part 2: Safe medical treatments for an enlarged spleen

Method 1: Using antibiotics as prescribed

Only use antibiotics when there is an infection

• If splenomegaly is caused by a bacterial infection, the doctor may prescribe antibiotics to eliminate the disease-causing bacteria.

• Treating the correct type of bacteria will help control the infection, reduce inflammation, and support the treatment of an enlarged spleen if this is the cause of splenic enlargement.

• Take the medication at the correct dosage, for the correct duration, and do not stop it prematurely even if symptoms have improved.

Antibiotics do not treat all causes of an enlarged spleen

• Not all cases of splenomegaly require antibiotics.

• If the cause is conditions such as cancer, blood disorders, liver disease, or autoimmune diseases, the doctor will choose a treatment method appropriate for the underlying condition rather than just using antibiotics.

• Treating the underlying cause is an important factor in controlling splenomegaly and limiting the risk of complications.

Antibiotics are not effective against viral infections

• Antibiotics are only effective against bacteria and cannot treat diseases caused by viruses.

• For example, if splenomegaly is related to infectious mononucleosis caused by the Epstein–Barr virus (EBV), the doctor will not prescribe antibiotics as they are not effective in this case.

• Instead, treatment typically focuses on rest, adequate hydration, symptom relief, and monitoring the recovery process.

Do not self-prescribe or use antibiotics

• Self-medicating with antibiotics without identifying the cause of splenomegaly can increase the risk of antibiotic resistance, cause side effects, and delay the diagnostic process.

Method 2: Treating underlying conditions that cause an enlarged spleen

Controlling underlying conditions is a crucial step in treating an enlarged spleen

• An enlarged spleen is often a consequence of another ongoing medical condition in the body. Therefore, effective treatment for an enlarged spleen needs to focus on addressing the root cause rather than just managing symptoms.

• Depending on the underlying condition, the doctor may prescribe medication, blood transfusions, surgical intervention, or other specialized treatments.

• Adhere to the treatment plan and schedule regular follow-up appointments to monitor spleen size and evaluate treatment effectiveness.

Treating systemic lupus erythematosus

• Lupus is an autoimmune disease that can lead to an enlarged spleen as the immune system attacks healthy tissues.

• Treatment typically includes immunosuppressants, corticosteroids, and certain antimalarial drugs as prescribed by a doctor.

• There is currently no complete cure for lupus, but proper treatment helps control symptoms, reduce flare-ups, and limit organ damage.

Treating rheumatoid arthritis

• Rheumatoid arthritis is a chronic autoimmune inflammatory disease that can sometimes be associated with an enlarged spleen, especially in severe cases.

• The doctor may prescribe disease-modifying antirheumatic drugs (DMARDs), biologics, nonsteroidal anti-inflammatory drugs (NSAIDs), or corticosteroids to control inflammation.

• Good control of the disease helps reduce the risk of complications affecting the spleen and other organs.

Treating sickle cell disease

• This is a genetic disease that causes red blood cells to have an abnormal shape, increasing the risk of damage and an enlarged spleen.

• Depending on the case, patients may need medication, regular blood transfusions, or more specialized treatments.

• A small number of eligible cases may be considered for hematopoietic stem cell transplantation as indicated by a specialist.

Treating cystic fibrosis

• Cystic fibrosis is a genetic disease primarily affecting the lungs and digestive system, but it can also increase the risk of an enlarged spleen through liver complications.

• Treatment often combines medication, respiratory physical therapy, nutritional support, and other interventions depending on the severity of the disease.

• Good disease control helps reduce the risk of organ damage, including the spleen.

Treating cirrhosis

• Cirrhosis is one of the common causes of an enlarged spleen due to increased portal vein pressure and blood stagnation in the spleen.

• Treatment typically focuses on the cause of cirrhosis, such as controlling viral hepatitis, quitting alcohol, or treating fatty liver disease.

• Additionally, the doctor may prescribe medication to control complications. In cases of end-stage liver failure, liver transplantation may be a suitable option.

Do not arbitrarily change the treatment regimen

• Autoimmune diseases, liver diseases, and genetic diseases all require long-term monitoring by a specialist.

• Do not arbitrarily stop medication or change dosages, as this can worsen the underlying condition, cause the enlarged spleen to progress, and increase the risk of complications.

• If abnormal signs appear, such as increased left upper abdominal pain, prolonged fever, or increased fatigue, contact a doctor for assessment and adjustment of the enlarged spleen treatment plan as needed.

Method 3: Treating infections causing an enlarged spleen

Controlling infections according to the treatment regimen

• Some infections can cause an enlarged spleen because the organ has to work harder to fight off pathogens.

• To treat an enlarged spleen in these cases, the most important thing is to thoroughly treat or effectively control the infection as directed by a doctor.

• Take medication at the correct dosage, for the full duration, and attend follow-up appointments to evaluate treatment effectiveness and monitor spleen size.

Treating syphilis

• Syphilis is a sexually transmitted disease caused by the bacterium Treponema pallidum and can, in some cases, be associated with an enlarged spleen.

• The standard treatment is antibiotics, with penicillin remaining the preferred choice for most patients.

• If allergic to penicillin, the doctor will consider using another antibiotic appropriate for your health condition.

• Early treatment not only helps eliminate bacteria but also limits the risk of complications affecting multiple organs in the body.

Treating malaria

• Malaria is a disease caused by the parasite Plasmodium and transmitted through the bite of infected Anopheles mosquitoes.

• It is one of the causes that can lead to an enlarged spleen, especially when the disease is prolonged or recurs frequently.

• The doctor will select treatment drugs based on the parasite species, disease severity, endemic area, and local drug resistance status.

• Adhering to the full regimen helps eliminate parasites, reduce the risk of recurrence, and supports the improvement of an enlarged spleen.

Do not arbitrarily stop medication when symptoms subside

• Even if symptoms have improved, you still need to complete the entire course of treatment as prescribed by your doctor.

• Stopping medication too early can result in the infection not being fully eradicated, leading to recurrence and prolonging the time needed to treat the enlarged spleen.

• If high fever, left upper abdominal pain, or other abnormal symptoms appear during treatment, contact a medical facility immediately for assessment and timely management.

Method 4: Treating mononucleosis

Rest and proper care if you have mononucleosis

• If an enlarged spleen is caused by infectious mononucleosis, the primary treatment goal is to alleviate symptoms and support the body's self-recovery.

• This disease is caused by the Epstein–Barr virus (EBV), so there is currently no specific antiviral medication to eliminate it. In most cases, patients will gradually improve after a few weeks with proper care.

• Adhering to the doctor's instructions will ensure a safe process for treating the enlarged spleen and reduce the risk of complications.

Get adequate rest

• Prolonged fatigue is a typical symptom of mononucleosis. Therefore, get enough sleep and limit strenuous activities to allow the body time to recover.

• While the enlarged spleen has not yet improved, you should avoid contact sports, heavy lifting, or intense physical activity as these can increase the risk of splenic rupture.

Drink enough water and maintain a healthy diet

• Drinking enough water helps the body rehydrate, supports the recovery process, and reduces feelings of fatigue.

• Prioritize nutrient-dense, easy-to-digest, and vitamin-rich meals to boost immunity.

• If you have a sore throat or difficulty swallowing, you can choose soft foods and eat smaller, more frequent meals.

Treat symptoms as directed by your doctor

• Your doctor may recommend using appropriate fever reducers or pain relievers to control fever, sore throat, and body aches.

• Do not self-medicate without a doctor's prescription, especially if you have an enlarged spleen or other underlying conditions.

Antibiotics are ineffective against viral diseases

• Since mononucleosis is caused by a virus, antibiotics do not shorten the duration of the illness and are generally not prescribed.

• Only if the patient develops an additional bacterial infection will the doctor consider prescribing appropriate antibiotics.

Recovery time can extend for several weeks

• Most patients begin to improve within 2–6 weeks, however, fatigue can persist longer in some cases.

• If left upper abdominal pain increases, pain radiates to the left shoulder, fever persists, or other abnormal symptoms appear, seek medical attention immediately for examination as these could be signs of complications from an enlarged spleen.

Method 5: Treating cancer that causes an enlarged spleen

Treating cancer according to a specialized regimen

• If an enlarged spleen is caused by cancer or malignant diseases, the doctor will develop a treatment plan based on the type of cancer, disease stage, health status, and individual response.

• The treatment goal is not only to control the cancer but also to improve the condition of the enlarged spleen, reduce symptoms, and limit complications.

• Adhere to the full treatment plan and schedule regular follow-up appointments for the doctor to monitor effectiveness and adjust the regimen as needed.

Applicable treatment methods

• Depending on the case, the doctor may combine one or more methods such as:

  • Medication to treat cancer.

  • Surgery when necessary to remove the tumor or spleen.

  • Chemotherapy to destroy cancer cells.

  • Radiation therapy to shrink tumors or control disease progression.

  • Immunotherapy to enhance the immune system's ability to recognize and destroy cancer cells.

  • Targeted therapy for certain types of cancer with suitable genetic mutations.

  • Hormone therapy for some types of hormone-sensitive cancers.

Treating Leukemia

• Leukemia is a cancer of blood-forming cells and is one of the causes that can lead to an enlarged spleen.

• Depending on the specific type, the doctor may prescribe chemotherapy, targeted therapy, immunotherapy, or hematopoietic stem cell transplantation.

• Early treatment helps control the growth of cancer cells and supports the improvement of the enlarged spleen condition.

Treating Hodgkin lymphoma

• Hodgkin lymphoma is a type of cancer of the lymphatic system, which can cause lymph nodes and the spleen to enlarge.

• Treatment regimens often combine chemotherapy and radiation therapy. Some cases of relapse or high risk may be prescribed immunotherapy or stem cell transplantation.

• Proper treatment helps improve disease control rates and reduce symptoms associated with an enlarged spleen.

Treating splenic tumors

• Benign or malignant tumors in the spleen can be a direct cause of an enlarged spleen.

• Depending on the size, location, and nature of the tumor, the doctor may consider surgical removal of the tumor or splenectomy. After surgery, some cases may require chemotherapy, radiation therapy, or systemic treatment to reduce the risk of recurrence.

• Patients will be monitored regularly to assess treatment effectiveness and detect complications early if any.

Adhere to treatment for best results

• Cancer treatment is often long-term and may require coordination with various specialties.

• Do not arbitrarily stop medication, skip chemotherapy, or delay follow-up appointments, as this can reduce treatment effectiveness and cause the enlarged spleen to worsen.

• If signs such as severe left upper abdominal pain, prolonged fever, abnormal bleeding, or severe fatigue appear, inform your doctor immediately for timely management.

Method 6: Spleen removal when necessary

Only remove the spleen when other methods are ineffective

• Surgical removal of the spleen (splenectomy) is usually only considered when other enlarged spleen treatments are unsuccessful or when the enlarged spleen severely affects health.

• The doctor will carefully assess the benefits and risks before making a surgical indication. The goal is to reduce the risk of complications, improve quality of life, and treat the underlying cause if possible.

• This is a specialized treatment method and not all individuals with an enlarged spleen need to undergo it.

When might a doctor recommend spleen removal?

• You may be considered for surgery if:

  • The cause of the enlarged spleen cannot be identified despite multiple tests.

  • Medical treatments have not improved the condition.

  • The spleen is severely damaged or overactive, leading to the destruction of many blood cells.

  • A splenic infection does not respond to treatment and poses a risk of organ dysfunction.

  • There is a high risk of complications such as splenic rupture or severe bleeding.

How is spleen removal surgery performed?

• Spleen removal surgery is performed in a hospital under general anesthesia, so the patient will not feel pain during the procedure.

• After the surgery, you will be monitored in the hospital to manage pain, detect early complications, and assess the recovery process before discharge.

Two common surgical methods

• Laparoscopic surgery

  • The doctor makes several small incisions in the abdominal wall to insert instruments and a camera to remove the spleen.

  • This method is preferred if suitable because it typically involves less pain, less blood loss, shorter hospital stays, and faster recovery.

• Open surgery

  • The doctor makes a large incision in the abdomen to access the spleen.

  • This method may be necessary if the patient has significant scar tissue from previous surgeries, a very large spleen, extensive bleeding, or difficulties with laparoscopic surgery.

Care after spleen removal

• After spleen removal, the body can still function normally, but the risk of certain infections increases because the spleen plays an important role in the immune system.

• The doctor may recommend necessary vaccinations before or after surgery, and provide guidance on infection prevention and regular follow-up appointments.

Part 3: Tips for caring for and protecting an enlarged spleen at home

Tip 1: Post-spleen surgery care

Fully comply with discharge instructions

• After splenectomy, proper home care plays an important role in the recovery process and reducing the risk of complications.

• Follow your doctor's instructions regarding wound care, medication, daily activities, and follow-up appointments.

• Adhering to the treatment plan will help the treatment of enlarged spleen achieve better results and shorten recovery time.

Keep the surgical wound clean and dry

• Clean the surgical wound as directed by medical staff and always keep the skin around the wound clean and dry.

• Do not remove bandages, pick at stitches, or apply topical medications without your doctor's approval.

• Avoid strong impacts or soaking the wound until it is completely healed.

Take medication at the prescribed time

• Take all prescribed medications, including pain relievers or other medications if any.

• Do not stop medication, change dosages, or take additional medication without consulting your doctor.

• If you experience any unusual side effects, contact a medical facility for guidance.

Body care for faster recovery

• Get enough rest in the first few weeks after surgery and gradually increase your activity level as directed by your doctor.

• Eat a balanced diet, supplementing with enough protein, vitamins, and minerals to support the healing process.

• Drink enough water and avoid lifting heavy objects or strenuous activities until your doctor allows it.

Monitor for signs of infection

• After splenectomy, the risk of infection may be higher than usual, so careful health monitoring is necessary.

• Seek immediate medical attention if you experience any of the following signs:

  • Fever or chills.

  • Wound discharge, foul odor, or increased redness and swelling.

  • Wound pain increasing rather than decreasing over time.

  • Feeling very tired, uncomfortable, or having any unusual systemic symptoms.

Follow-up appointments as scheduled

• After surgery, your doctor will schedule follow-up appointments to check on your recovery, evaluate the wound, and monitor your long-term health.

• Individuals who have had a splenectomy may need counseling on vaccinations for certain infectious diseases and implementing infection prevention measures in daily life.

• If you have any unusual symptoms after treating an enlarged spleen, do not wait for your scheduled appointment, but contact your doctor for an early check-up.

Tip 2: Avoid impact when the spleen is enlarged

Limit contact sports

• If you have an enlarged spleen or are recovering from enlarged spleen treatment, you should avoid activities that pose a high risk of strong impact to the abdomen.

• Direct impacts can damage or rupture the spleen, leading to internal bleeding. This is a dangerous complication that requires immediate emergency care.

• Only return to high-intensity sports when your doctor confirms that your spleen's size and function have recovered.

Avoid activities with a high risk of injury

• During enlarged spleen treatment, you should temporarily stop contact or high-impact sports such as:

  • Soccer.

  • Football.

  • Martial arts.

  • Boxing.

  • Basketball or other sports with a high risk of strong impact.

• In addition to sports, you should also be careful when doing heavy labor or participating in activities with a risk of falling or hitting the abdomen.

Still maintain light physical activity

• Having an enlarged spleen does not mean you have to stop physical activity completely.

• You can still choose light forms of exercise such as:

  • Walking.

  • Gentle swimming if allowed by your doctor.

  • Slow cycling on safe terrain.

  • Stretching exercises or gentle yoga, avoiding movements that put pressure on the abdomen.

• These activities help maintain cardiovascular health, improve physical fitness, and support the recovery process while reducing the risk of injury.

Listen to your body during exercise

• Stop exercising immediately if you experience pain in the upper left abdomen, dizziness, shortness of breath, or unusual fatigue.

• Gradually increase exercise intensity as directed by your doctor, especially after treating or surgically treating an enlarged spleen.

• If there are any signs of suspected spleen injury after impact, seek immediate medical attention for examination and timely treatment.

Tip 3: Always wear a seatbelt

Wear a seatbelt every time you drive

• If you have an enlarged spleen or are undergoing enlarged spleen treatment, always wear your seatbelt correctly every time you are in a car, even for short distances.

• Seatbelts help reduce the force of impact on the body in the event of a collision, thereby reducing the risk of spleen injury or rupture.

Reduce the risk of abdominal injury

• In a traffic accident, unbelted individuals are at risk of severe impact with the steering wheel, dashboard, or other parts of the vehicle.

• For people with an enlarged spleen, these impacts can cause internal bleeding or spleen rupture, which requires immediate emergency care.

Wear your seatbelt correctly to protect your body

• Wear the shoulder strap across the middle of your chest and shoulder, not under your arm or behind your back.

• Position the lap belt snugly across your pelvic bone, not over your abdomen.

• Adjust the belt to fit snugly against your body to maximize protective effectiveness in a collision.

Seek immediate medical attention if there are abnormal signs after an accident

• After any accident or severe impact, individuals with an enlarged spleen should seek medical attention, even if no obvious injuries are initially visible.

• Seek immediate medical attention if you experience pain in the upper left abdomen, pain radiating to the left shoulder, dizziness, fainting, pale skin, or a feeling of lightheadedness. These may be signs of spleen injury or rupture that require emergency treatment.

Tip 4: Get vaccinated completely and on schedule

Get vaccinated on schedule to reduce the risk of infection

• If you have an enlarged spleen, a damaged spleen, or have had a splenectomy, getting fully vaccinated is one of the important measures to protect your health.

• The spleen plays an important role in the immune system. When the function of this organ declines or is no longer present, the body becomes more susceptible to serious infections.

• In addition to the enlarged spleen treatment process, discuss with your doctor to develop a vaccination schedule appropriate for your health condition.

Get an annual flu vaccine

• Getting a flu vaccine every year helps reduce the risk of seasonal flu and limits severe complications, especially in people with an enlarged spleen or who have had a splenectomy.

• Vaccination needs to be done regularly because flu viruses can change seasonally and the protective ability of the vaccine gradually decreases over time.

Get booster vaccinations for tetanus, diphtheria, and pertussis

• Adults should receive booster vaccinations for tetanus, diphtheria, and pertussis (Td or Tdap) as recommended by their doctor, usually every 10 years.

• Getting booster shots on schedule helps maintain protection against infectious diseases that can severely affect health.

Discuss other necessary vaccines with your doctor

• People who have had a splenectomy or have impaired spleen function are often recommended to get additional vaccinations to prevent bacteria that can cause severe infections, such as:

  • Pneumococcal vaccine.

  • Meningococcal vaccine.

  • Haemophilus influenzae type b (Hib) vaccine.

• Your doctor will advise you on the appropriate type of vaccine and timing based on your age, vaccination history, and health condition.

Combine vaccination with a healthy lifestyle

• Vaccination helps reduce the risk of many infectious diseases but cannot replace other preventive measures.

• Maintain personal hygiene, wash hands frequently, eat a balanced diet, get enough sleep, and have regular check-ups to support the enlarged spleen treatment process and protect your immune system long-term.

Tip 5: Holistic health care

Maintain a healthy lifestyle to support recovery

• Whether you are treating an enlarged spleen or have just had a splenectomy, holistic health care will help your body recover faster and reduce the risk of complications.

• Combine a proper diet, adequate rest, appropriate exercise, and follow-up appointments as scheduled by your doctor.

• Positive lifestyle changes also contribute to boosting immunity and improving the effectiveness of enlarged spleen treatment.

Eat a nutritious diet

• Prioritize foods rich in protein, vitamins, minerals, and fiber such as lean meat, fish, eggs, legumes, green vegetables, fruits, and whole grains.

• Limit alcohol, tobacco, and processed foods high in sugar or saturated fat to reduce the burden on the body, especially if an enlarged spleen is related to liver disease or metabolic disorders.

• If you are unsure what to eat or what foods to avoid, consult your doctor or a nutritionist for advice tailored to your medical condition.

Drink enough water daily

• Adequate hydration helps maintain normal body function, supports blood circulation, and aids in the recovery process after treatment.

• The required amount of water can vary depending on age, weight, activity level, and co-existing medical conditions. If you have heart disease, kidney disease, or other specific conditions, ask your doctor about the appropriate amount of water.

Get enough sleep and proper rest

• The body needs time to rest to repair damaged tissues and enhance immune system activity.

• Try to sleep 7–9 hours each night for adults and avoid staying up late during the recovery period.

• If you feel tired, reduce your workload and take more time to rest.

Manage stress

• Prolonged stress can negatively affect the immune system and slow down the body's recovery process.

• You can apply relaxation methods such as meditation, deep breathing, gentle yoga, listening to music, or walking to reduce stress.

• When practicing yoga or stretching exercises, avoid movements that put strong pressure on the abdomen if you still have an enlarged spleen or are in the recovery phase after surgery.

Monitor your health and have regular follow-up appointments

• Adhere to your follow-up schedule so your doctor can assess your recovery process and adjust the enlarged spleen treatment plan if necessary.

• If symptoms such as increased upper left abdominal pain, fever, severe fatigue, dizziness, or other unusual signs appear, seek medical attention promptly for examination and timely treatment.

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15. Cleveland Clinic. Enlarged Spleen (Splenomegaly): Symptoms, Causes & Treatment. Cleveland, OH: Cleveland Clinic.

Content edited by: Ashley Wright Nguyen.

Information consulted and verified by expert: Christopher Walker.