Differential Diagnosis for Left Side Abdominal Pain
- Single most likely diagnosis
- Constipation: This is a common cause of abdominal pain, especially if the pain is mild (2/10) and localized to one side. Constipation can cause discomfort and pain in the abdomen, which may be more pronounced on one side.
- Other Likely diagnoses
- Irritable Bowel Syndrome (IBS): IBS is a common condition that can cause abdominal pain, bloating, and changes in bowel movements. The pain is often crampy and can be localized to one side of the abdomen.
- Gastroesophageal Reflux Disease (GERD): GERD can cause abdominal pain, especially in the upper abdomen, but can also radiate to the left side.
- Diverticulitis: This condition occurs when small pouches in the wall of the colon become inflamed. It can cause pain on the left side of the abdomen, especially if the diverticula are located in the sigmoid colon.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Appendicitis: Although appendicitis typically causes pain on the right side, it can occasionally cause pain on the left side, especially if the appendix is located in an unusual position.
- Ectopic Pregnancy: This is a life-threatening condition that occurs when a fertilized egg implants outside the uterus. It can cause abdominal pain, especially on one side, and is a medical emergency.
- Ovarian Torsion: This is a rare condition that occurs when the ovary twists around its blood supply, cutting off blood flow. It can cause severe abdominal pain, often on one side, and is a medical emergency.
- Splenic Infarction: This is a rare condition that occurs when the spleen becomes damaged due to a lack of blood flow. It can cause abdominal pain, especially on the left side, and can be life-threatening if not treated promptly.
- Rare diagnoses
- Intussusception: This is a rare condition that occurs when a part of the intestine slides into another part, causing bowel obstruction. It can cause abdominal pain, especially on one side, and is more common in children.
- Mesenteric Ischemia: This is a rare condition that occurs when the blood flow to the intestines is blocked, causing tissue damage. It can cause abdominal pain, especially on one side, and is a medical emergency.
- Pancreatic Cancer: This is a rare condition that can cause abdominal pain, especially on the left side, although it is more common in older adults and those with a family history of the disease.