Abdomen Conditions & Diseases
Medical conditions affecting the abdomen area or system
Appendicitis
SevereInflammation of the appendix, often requiring surgical removal.
- Sudden abdominal pain starting near the navel and shifting to the lower right
- Loss of appetite
- Nausea or vomiting
Gallstones (Cholelithiasis)
VariableSolid deposits that form in the gallbladder, which can block bile flow.
- Intense pain in the upper right abdomen
- Nausea or vomiting
- Jaundice (yellow skin/eyes)
Cholecystitis
SevereInflammation of the gallbladder, usually due to gallstones blocking the cystic duct.
- Severe right upper abdominal pain
- Fever
- Tenderness over the gallbladder
Viral Hepatitis
VariableInflammation of the liver caused by hepatitis A, B, C, D, or E viruses.
- Fatigue
- Jaundice
- Upper right abdominal discomfort
Acute Pancreatitis
SevereSudden inflammation of the pancreas, often related to gallstones or alcohol use.
- Severe upper abdominal pain radiating to the back
- Nausea and vomiting
- Fever
Peptic Ulcer Disease
ModerateOpen sores that develop on the lining of the stomach or duodenum.
- Burning stomach pain
- Bloating
- Nausea
Gastroesophageal Reflux Disease (GERD)
MildChronic backflow of stomach acid into the esophagus causing irritation.
- Heartburn
- Regurgitation of sour liquid
- Chest discomfort
Irritable Bowel Syndrome (IBS)
MildFunctional gastrointestinal disorder characterized by abdominal pain and altered bowel habits.
- Cramping abdominal pain
- Diarrhea or constipation
- Bloating
Crohn's Disease
VariableChronic inflammatory bowel disease that can affect any part of the gastrointestinal tract.
- Persistent abdominal pain
- Diarrhea (often bloody)
- Weight loss
Ulcerative Colitis
VariableChronic inflammation and ulceration of the colon's inner lining.
- Frequent bloody diarrhea
- Abdominal cramping
- Urgent need to defecate
Diverticulitis
ModerateInflammation or infection of diverticula in the colon.
- Lower left abdominal pain
- Fever
- Nausea
Celiac Disease
VariableAutoimmune reaction to gluten causing damage to the small intestine.
- Chronic diarrhea
- Abdominal bloating
- Weight loss
Acute Gastritis
MildSudden inflammation of the stomach lining, often due to irritants like NSAIDs or alcohol.
- Upper abdominal pain
- Nausea
- Vomiting
Gastric Cancer
SevereMalignant tumor arising from the lining of the stomach.
- Unexplained weight loss
- Persistent stomach pain
- Nausea
Colon Cancer
SevereMalignant growth in the colon or rectum, often developing from polyps.
- Blood in stool
- Change in bowel habits
- Abdominal cramping
Small Bowel Obstruction
SeverePartial or complete blockage of the small intestine, preventing normal passage of contents.
- Severe abdominal pain
- Vomiting
- Abdominal distension
Inguinal Hernia
VariableProtrusion of abdominal contents through a weakness in the inguinal canal.
- Bulge in groin area
- Pain or discomfort when lifting
- Heaviness in the abdomen
Umbilical Hernia
MildProtrusion of tissue through the abdominal wall near the navel.
- Soft bulge at the belly button
- Mild pain or tenderness
- Swelling that may increase with coughing
Abdominal Aortic Aneurysm
SevereBulging, weakened area in the wall of the abdominal aorta that can rupture.
- Deep, constant abdominal or back pain
- Pulsating feeling near the navel
- Sudden severe pain if ruptured
Liver Cirrhosis
SevereScarring of liver tissue due to chronic damage, impairing liver function.
- Fatigue
- Abdominal swelling (ascites)
- Jaundice
Non‑Alcoholic Fatty Liver Disease (NAFLD)
MildAccumulation of fat in liver cells not caused by alcohol consumption.
- Often asymptomatic
- Mild fatigue
- Upper right abdominal discomfort
Pancreatic Cancer
SevereMalignant tumor arising from pancreatic tissue, often diagnosed late.
- Jaundice
- Unexplained weight loss
- Upper abdominal pain radiating to the back
Gallbladder Cancer
SevereRare cancer that originates in the gallbladder lining.
- Upper right abdominal pain
- Jaundice
- Unexplained weight loss
Mesenteric Ischemia
SevereReduced blood flow to the intestines, often due to arterial blockage.
- Severe post‑prandial abdominal pain
- Weight loss
- Nausea
Viral Gastroenteritis
MildInflammation of the stomach and intestines caused by viral infection (often called “stomach flu”).
- Watery diarrhea
- Vomiting
- Abdominal cramps
Bacterial Food Poisoning
VariableIllness caused by ingestion of food contaminated with bacteria such as Salmonella or E. coli.
- Nausea
- Vomiting
- Abdominal cramps
Kidney Stones (Nephrolithiasis)
VariableHard mineral deposits that form in the kidneys and can travel down the urinary tract, causing intense abdominal/flank pain.
- Sharp flank or lower abdominal pain
- Hematuria (blood in urine)
- Nausea
Appendiceal Abscess
SevereLocalized collection of pus that forms when a ruptured appendix is walled off by surrounding tissue.
- Persistent lower right abdominal pain
- Fever
- Swelling in the abdomen
Biliary Colic
ModerateIntermittent pain caused by temporary blockage of the bile duct by gallstones.
- Sudden, intense right upper abdominal pain
- Pain after fatty meals
- Nausea
Hepatocellular Carcinoma
SeverePrimary liver cancer most often arising in the setting of chronic liver disease.
- Abdominal swelling
- Weight loss
- Upper right abdominal pain
When to Seek Medical Help
For abdomen conditions, consult a healthcare provider if you experience:
- Persistent or worsening symptoms
- Sudden onset of severe symptoms
- Symptoms that interfere with daily activities
- Signs of infection (fever, swelling, redness)
- Unexplained changes or new symptoms
Medical Disclaimer
Medical Disclaimer: The information provided on this website is for general informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website. If you think you may have a medical emergency, call your doctor, go to the emergency department, or call 911 immediately.