Question: what can cause pain in your stomach after you eat?
Answer: Gastritis. Gastritis causes the lining of the stomach to become inflamed. ... 
Inflammatory bowel disease (IBD) ... 
Stomach ulcer. ... 
Irritable bowel syndrome (IBS) ... 
Gallstones. ... 
Heartburn. ... 
Overactive thyroid. ... 
Celiac disease.