Possible Causes of Swelling in the Upper Left Abdomen (LUQ)
That region corresponds anatomically to spleen, stomach, part of pancreas, left
kidney, colon, and lower ribs. Causes may include:
1. Splenic causes
Splenomegaly (enlarged spleen from infections like viral illness, malaria, typhoid, hematological causes, etc.).
Pain or fullness especially if recurrent.
2. Gastrointestinal causes
Gastritis, gastric distension, or gas bloating can mimic swelling.
Colonic distension (constipation, IBS).
3. Musculoskeletal causes
Localized swelling due to rib cartilage inflammation (costochondritis) or trauma.
4. Renal causes
Left kidney enlargement, cyst, or infection could rarely present as fullness/swelling.
5. Others
Hernia (though less common in LUQ).
Lipoma or soft tissue swelling of abdominal wall.
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Important Red Flags (need urgent evaluation)
Pain associated with fever, weight loss, night sweats.
Recurrent or progressively enlarging swelling.
Associated with jaundice, vomiting, blood in stool, breathlessness.
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Suggested Evaluation
Clinical examination (palpation, percussion to check if spleen is enlarged).
Ultrasound abdomen (to confirm spleen/kidney size, abdominal mass, or just gas).
Blood tests (CBC, peripheral smear if splenomegaly suspected).
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Advice for Patient
Since this is recurrent swelling, the patient should get an abdominal ultrasound to rule out splenomegaly or abdominal wall mass.
Meanwhile, observe if swelling changes with meals, posture, or bowel habits.
Avoid self-medicating without knowing the exact cause.
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👉 In summary: The most common reason for recurrent swelling in the upper left abdomen near the ribs in a young female is splenic enlargement or gastric bloating, but only a doctor’s physical exam + ultrasound can differentiate.
Next Steps
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