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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.


Ulcerative Colitis

In UC, the lining of the large intestine and the rectum become inflamed. This produces tiny sores or ulcers on the lining of the colon, often accompanied by diarrhea and cramping.

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Alcohol Abuse and Alcoholism

Drinking too much alcohol, or being unable to control consumption, can indicate alcohol abuse or alcoholism. Too much alcohol in the blood or having withdrawal can lead to serious mental and physical symptoms.

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A hernia occurs when an organ pushes through the muscle or tissue that holds it in place. Hernias are most common in the abdomen. However, they can also appear in the upper thigh, belly button, and groin regions.

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Kidney Stones

Kidney stones are solid masses of crystalized calcium or other substances that originate in the kidneys but can pass through the urinary tract. The greatest risk factor is making less than one liter of urine per day.

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Colorectal (Colon) Cancer

Colorectal cancer is a cancer that originates in the rectum or colon. Both of these organs are located at the lower portion of your digestive system. The colon is at the end of the large intestine and the rectum is a...

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Diabetes Overview

Diabetes is a group of chronic metabolic diseases caused by defects in insulin production or function. Advanced diabetes may cause stomach pain, nausea, dizziness, and cramps.

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Pyelonephritis is an inflammation of the kidney and upper urinary tract. Symptoms include flushed skin, back pain, fever, and nausea.

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Cholesterol is a natural substance, but too much of it can clog blood vessels and lead to heart attack or stroke. High cholesterol levels can also cause yellow deposits in the eyes or in tendons.

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Bladder Stones: The Bad, the Ugly, and the Good

Bladder stones are crystals that form when concentrated urine is left in the bladder after urination, often due to dehydration or being unable to empty the bladder totally. Symptoms include painful urination and others.

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Threatened Abortion

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

Threatened abortion describes vaginal bleeding in early pregnancy. It could indicate risk of miscarriage. During miscarriage, women may have abdominal and lower back pain, and may pass clot-like material from the vagina.

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Sickle Cell Anemia

Sickle cell anemia is a genetic disease that causes red blood cells to have an abnormal shape, causing blood flow problems. This can lead to tissue damage and pain, as well as enlarged spleen, anemia, and other symptoms.

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

Most common in boys, intussusception occurs when a portion of the intestines become enfolded, causing a blockage. Symptoms include abdominal pain, vomiting, bloody stools, and others. It is potentially life-threatening.

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Infectious Mononucleosis

Infectious mononucleosis, or "mono," is a group of symptoms caused by the Epstein-Barr virus. One potential symptom is a pink rash that looks like the measles.

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Bladder Cancer

Bladder cancer occurs in the tissues of the bladder, which is the organ that holds urine. Fatigue, weight loss, painful or frequent urination, and abdominal or back pain are symptoms.

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Also known as varicella, chickenpox is a virus that often affects children. It is characterized by itchy, red blisters that appear all over the body.

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Epididymitis is inflammation of the epididymis, the tube located at the back of the testicles that stores and carries sperm. It's usually caused by a bacterial or sexually transmitted infection.

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Hepatitis A

Hepatitis A (HAV) is a short-term type of hepatitis. It usually requires no treatment, but symptoms include fever, nausea, jaundice, and itchy skin, among others.

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Gonnorhea is a sexually transmitted disease that affects warm, moist areas of the body. Early symptoms include pain when urinating and discharge.

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Alcoholism is also known as alcohol dependence. It occurs when you drink so much over time that your body becomes dependent on or addicted to alcohol. When this happens, alcohol use becomes the most important thing i...

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Necrotizing Vasculitis

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

Necrotizing vasculitis is the inflammation of blood vessel walls. It can interrupt blood flow, causing skin, muscle, and blood vessel damage, and death of tissues and organs. Its symptoms can affect the entire body.

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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.