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What causes abdominal pain? 175 possible conditions

See a list of possible causes in order from the most common to the least.


Chlamydia Infection

Chlamydia is a sexually transmitted disease that should be treated quickly in order to avoid complications. It is caused by bacteria that are usually spread through sexual contact. People with chlamydia often don't hav...

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Anal/Rectal Abscess

An anal, or rectal, abscess occurs when a cavity in the anus becomes filled with pus. In addition to pain, it can cause fatigue, rectal discharge, and fever.

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Underactive Pituitary Gland (Hypopituitarism)

The pituitary gland releases hormones that play roles in body processes like bone growth and metabolism. An underactive pituitary can disrupt these processes. Causes may include tumors, traumatic injuries, and diseases.

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Chronic Pancreatitis

Chronic, or long-term, pancreatitis is an inflammation of your pancreas that impairs your body's ability to digest food and regulate blood sugar.

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Alcohol Withdrawal Delirium

This condition is considered a medical emergency. Urgent care may be required.

Alcohol withdrawal delirium (AWD) is the most serious form of alcohol withdrawal. It causes sudden and severe problems in your brain and nervous system. Approximately five percent of hospital patients being treated fo...

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Breast Milk Jaundice

Jaundice (yellow-tinged eyes and skin) is common in newborns. But, occasionally jaundice will persist or re-emerge up to the sixth week in healthy, breastfed infants. Other symptoms are poor weight gain and listlessness.

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Pancreatic Cancer

Pancreatic cancer is cancer of the pancreas, an organ that secretes an enzyme that breaks down fats, carbs, and proteins. Pancreatic cancer can obstruct the outflow of bile from the liver and causes yellow skin.

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Hypercalcemia is a condition in which you have too much calcium in your blood. Serious cases could cause symptoms like abdominal pain, nausea, constipation, and weakness.

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Abdominal Aortic Aneurysm

This condition is considered a medical emergency. Urgent care may be required.

The aorta carries blood from your heart down to your abdomen, legs, and pelvis. Swollen aortic walls in the abdomen is known as an abdominal aortic aneurysm.

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This condition is considered a medical emergency. Urgent care may be required.

Botulism (or "botulism poisoning") is a rare, but very serious illness that is transmitted through a very common source-the food we eat. Botulism poisoning is caused by a type of bacteria that is present everywher...

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Obstructive Uropathy

Obstructive uropathy is a condition in which your urine flow is blocked, and backs up into the kidneys. IIt may be caused by a blockage in one of the ureters.

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Torsion of Testes

This condition is considered a medical emergency. Urgent care may be required.

Torsion of the testes (testicular torsion) occurs when the spermatic cord becomes twisted, causing a restriction in blood flow to the testes, severe pain and possibly permanent damage. It is a medical emergency.

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Stomach Cancer (Gastric Adenocarcinoma)

Stomach cancer occurs when cancerous cells form in the stomach lining. Because it's difficult to detect, it's often not diagnosed until it's more advanced.

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E. coli Infection

E. coli is a type of bacteria normally found in intestines. But certain kinds of E. coli can cause infection and severe symptoms like diarrhea and dehydration.

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Polycystic Kidney Disease

Polycystic kidney disease (PKD) is an inherited kidney disorder that causes fluid-filled cysts to form in the kidneys. Abdominal and back pain, easy bruising, and fatigue are possible signs.

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Addison’s Disease

Addison's disease occurs when the adrenal cortex is damaged and the adrenal glands don't produce enough of the steroid hormones cortisol and aldosterone.

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Addisonian Crisis (Acute Adrenal Crisis)

This condition is considered a medical emergency. Urgent care may be required.

People with Addison's disease don't make enough cortisol or aldosterone. Addisonian crisis is a potentially life-threatening condition indicated by nausea, abdominal pain, fever, and chills.

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Testicular Cancer

Testicular cancer is cancer that originates in one or both testicles (testes), the male reproductive glands located inside the scrotum responsible for producing sperm and the testosterone hormone.

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Celiac Disease (Gluten Intolerance)

Celiac disease is a digestive disorder caused by an immune reaction to gluten. Symptoms vary but can include arthritis, fatigue, and abdominal symptoms.

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Biliary (Bile Duct) Obstruction

A biliary obstruction blocks the bile ducts, which carry bile to the small intestine for digestion and waste removal. An obstruction can be caused by many factors, including gallstones, inflammation, cysts, or tumors.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.