List possible differential diagnosis of pain in the left upper quadrant which is aggravated by eating in 20 years old female

Here are some possible differential diagnoses for pain in the left upper quadrant that is aggravated by eating in a 20-year-old female:

1. Gastritis: Inflammation of the stomach lining, often caused by H. pylori infection or excessive use of NSAIDs.
2. Peptic ulcer disease: An open sore or erosion in the lining of the stomach or duodenum, often caused by H. pylori infection or NSAID use.
3. Pancreatitis: Inflammation of the pancreas, which can be acute or chronic and often occurs after heavy alcohol consumption or gallstones.
4. Gastroesophageal reflux disease (GERD): Chronic acid reflux from the stomach into the esophagus, causing irritation and pain.
5. Esophagitis: Inflammation of the esophagus, often caused by acid reflux or certain medications.
6. Gallbladder disease: Conditions such as gallstones or cholecystitis (inflammation of the gallbladder) can cause pain in the upper abdomen that may be worsened by eating.
7. Splenic disorders: Conditions such as splenic infarction, splenic rupture, or splenomegaly (enlarged spleen) can cause left upper quadrant pain.
8. Irritable bowel syndrome (IBS): A functional disorder of the intestines that can cause abdominal pain, bloating, and changes in bowel habits.
9. Kidney stones: Stones formed in the kidneys can sometimes cause referred pain to the upper abdomen.
10. Left-sided appendicitis: Uncommon, but possible, especially if there is a longer appendix that extends into the left upper quadrant.