Differential Diagnosis for Prolonged Nausea
Single Most Likely Diagnosis
- Gastroesophageal Reflux Disease (GERD): This condition is characterized by the backflow of stomach acid into the esophagus, leading to symptoms such as nausea, vomiting, and heartburn. It's a common condition that can cause prolonged nausea.
Other Likely Diagnoses
- Functional Dyspepsia: A condition where the stomach doesn't function properly, leading to nausea, bloating, and discomfort. It's a common cause of chronic nausea.
- Irritable Bowel Syndrome (IBS): A gastrointestinal disorder that can cause nausea, abdominal pain, and changes in bowel movements.
- Medication Side Effects: Certain medications, such as antibiotics, pain relievers, and antidepressants, can cause nausea as a side effect.
- Pregnancy: Nausea is a common symptom of pregnancy, especially during the first trimester.
Do Not Miss Diagnoses
- Gastric Cancer: Although rare, gastric cancer can cause prolonged nausea and vomiting. It's essential to rule out this diagnosis, especially in older adults or those with a family history of cancer.
- Pancreatic Cancer: Pancreatic cancer can cause nausea, vomiting, and weight loss. Early detection is crucial for treatment.
- Inflammatory Bowel Disease (IBD): Conditions like Crohn's disease and ulcerative colitis can cause chronic nausea, diarrhea, and abdominal pain.
- Adrenal Insufficiency: A rare condition where the adrenal glands don't produce enough hormones, leading to nausea, vomiting, and fatigue.
Rare Diagnoses
- Cyclic Vomiting Syndrome: A rare condition characterized by recurring episodes of severe nausea and vomiting.
- Eosinophilic Gastroenteritis: A rare condition where the stomach lining becomes inflamed, leading to nausea, vomiting, and abdominal pain.
- Gastroparesis: A rare condition where the stomach muscles are weakened, leading to delayed emptying of food and nausea.
- Superior Mesenteric Artery Syndrome: A rare condition where the intestine is compressed, leading to nausea, vomiting, and abdominal pain.