The left side of the stomach is the left upper abdomen, and the organs corresponding to pain in the left upper abdomen are the colon, pancreas, spleen, small intestine, etc., which may be colitis, pancreatitis, splenic rupture and other diseases.
1. Colon: pain in the left upper abdomen is most commonly associated with inflammation of the colon, usually in addition to abdominal pain may be accompanied by diarrhea and other manifestations, such as chronic colitis, ulcerative colitis and so on.
2. Pancreas: Patients with pancreatitis may experience pain in the upper left abdomen that radiates to the back, accompanied by fever, nausea, vomiting and other symptoms.
3. Spleen: Spleen rupture usually has a clear history of trauma. When there is not much bleeding from the ruptured spleen, there may be mild left upper abdominal pain, and the patient needs to seek medical attention promptly for treatment.
4. Small bowel: Small bowel disease may also manifest as cramping pain in the left upper abdomen, but the more typical location of pain in small bowel disease is around the umbilicus.
In short, the left side of the stomach pain may be organs such as the colon, pancreas, spleen, small intestine, etc. In addition, patients should also pay attention to whether the left side of the stomach pain is caused by stomach lesions. It is recommended that patients seek timely medical attention to clarify the cause of the disease for treatment to avoid serious consequences.