What are the reasons for Abdomen?

Gastrointestinal causes:

* Appendicitis

* Cholecystitis (inflammation of the gallbladder)

* Diverticulitis (inflammation of the small pouches in the colon)

* Food poisoning

* Gastritis (inflammation of the stomach lining)

* Gastroesophageal reflux disease (GERD)

* Hiatal hernia (a condition in which part of the stomach protrudes through an opening in the diaphragm)

* Intestinal obstruction

* Pancreatitis (inflammation of the pancreas)

* Peptic ulcer disease (sores in the lining of the stomach or small intestine)

* Ulcerative colitis (a chronic inflammatory disease of the colon)

* Crohn's disease (a chronic inflammatory disease of the digestive tract)

Genitourinary causes:

* Bladder infection (cystitis)

* Kidney infection (pyelonephritis)

* Menstrual cramps

* Ovarian cysts

* Pelvic inflammatory disease (PID)

* Prostate problems (such as prostatitis or enlarged prostate)

* Testicular torsion (a condition in which the testicle twists, cutting off blood supply)

* Urinary tract infection (UTI)

Musculoskeletal causes:

* Back pain

* Herniated disk

* Muscle strain or tear

* Osteoarthritis (a degenerative joint disease)

* Rheumatoid arthritis (an autoimmune disease that causes inflammation of the joints)

* Sciatica (a nerve pain that radiates down the leg)

Other causes:

* Abdominal aortic aneurysm (a bulge in the aorta, the main artery that supplies blood to the body)

* Cancer (such as colon cancer, stomach cancer, or ovarian cancer)

* Celiac disease (an autoimmune disease that causes damage to the small intestine)

* Diabetes (a chronic disease that affects how the body turns food into energy)

* Heart attack (a sudden blockage of blood flow to the heart)

* Liver failure (a condition in which the liver is unable to function properly)

* Pneumonia (an infection of the lungs)

* Pregnancy

* Sickle cell anemia (a blood disorder that causes red blood cells to become sickle-shaped)