Differential Diagnosis for Abdominal Pain and Regurgitation
Single Most Likely Diagnosis
- Gastroesophageal reflux disease (GERD): This is the most likely diagnosis due to the combination of abdominal pain and regurgitation, which are classic symptoms of GERD. The condition is characterized by the backflow of stomach acid into the esophagus, leading to discomfort and regurgitation.
Other Likely Diagnoses
- Peptic ulcer disease: This condition can cause abdominal pain and regurgitation, especially if the ulcer is located in the stomach or duodenum. The pain is often described as burning or gnawing.
- Functional dyspepsia: This is a common condition characterized by recurring abdominal pain and regurgitation, often without an identifiable cause. It can be related to eating, stress, or other factors.
- Gastritis: Inflammation of the stomach lining can cause abdominal pain, regurgitation, and nausea. It can be acute or chronic and is often related to infection, medication, or alcohol use.
Do Not Miss Diagnoses
- Esophageal rupture or perforation: Although rare, this is a life-threatening condition that requires immediate medical attention. Symptoms can include severe abdominal pain, regurgitation, and difficulty swallowing.
- Acute coronary syndrome: In some cases, abdominal pain and regurgitation can be symptoms of a heart attack, especially in women or individuals with atypical presentations.
- Pancreatitis: Inflammation of the pancreas can cause severe abdominal pain, regurgitation, and nausea. It can be acute or chronic and is often related to gallstones, alcohol use, or certain medications.
Rare Diagnoses
- Esophageal cancer: This is a rare but serious condition that can cause abdominal pain, regurgitation, and difficulty swallowing. It is often associated with weight loss, anemia, and other systemic symptoms.
- Zollinger-Ellison syndrome: A rare condition characterized by excessive acid production in the stomach, leading to abdominal pain, regurgitation, and diarrhea.
- Eosinophilic esophagitis: A rare inflammatory condition of the esophagus that can cause abdominal pain, regurgitation, and difficulty swallowing, often related to food allergies or other environmental factors.