Gastroesophageal Reflux Disease (GERD) – A chronic condition where stomach acid repeatedly flows into the esophagus, causing heartburn, regurgitation, and irritation.

Irritable Bowel Syndrome (IBS) – A functional gastrointestinal disorder causing abdominal pain, bloating, diarrhea, or constipation, without an underlying disease.

Celiac Disease – An autoimmune disorder where ingestion of gluten triggers an immune response damaging the small intestine lining, leading to malabsorption of nutrients.

Crohn’s Disease – A type of inflammatory bowel disease (IBD) causing inflammation in any part of the gastrointestinal tract, leading to pain, diarrhea, and malnutrition.

Ulcerative Colitis – An inflammatory bowel disease that causes long-lasting inflammation and sores in the colon and rectum, leading to diarrhea and abdominal pain.

Pancreatitis – Inflammation of the pancreas, often caused by gallstones or heavy alcohol use, leading to severe abdominal pain, nausea, and vomiting.

Esophageal Varices – Swollen veins in the esophagus, often caused by liver cirrhosis, which can lead to severe bleeding.

Constipation – A common gastrointestinal issue characterized by infrequent, difficult, or painful bowel movements, often accompanied by abdominal discomfort.

Peptic Ulcer Disease – Sores that develop on the lining of the stomach or the duodenum, causing burning stomach pain, bloating, and nausea.

Hepatitis – Inflammation of the liver, commonly caused by viral infections (such as hepatitis A, B, and C), leading to jaundice, fatigue, and abdominal pain.