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What causes abdominal pain, fatigue and general weakness? 66 possible conditions

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


Urinary Tract Infection

UTIs are usually caused by bacteria and can occur in any part of the urinary tract. Symptoms of upper UTIs include pain in the upper back, chills, fever, and nausea.

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Bleeding or spotting, increased need to urinate, tender breasts, fatigue, nausea, and missed period are signs of pregnancy.

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Food Poisoning

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

Food poisoning occurs when you consume foods contaminated with bacteria, viruses, or parasites. Symptoms are usually uncomfortable but not severe.

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

Bleeding can refer to blood loss inside the body (internal bleeding) or blood loss outside of the body (external bleeding). It can cause bruising, pain, and symptoms of shock. Too much bleeding can lead to death.

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PMS (Premenstrual Syndrome)

PMS symptoms start five to 11 days before menstruation and typically go away once menstruation begins. The cause of PMS is unknown.

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Endometriosis is a disorder in which the tissue that forms the lining of your uterus grows outside of your uterine cavity. The lining is called the endometrium.

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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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Leukemia is a cancer of the blood cells. Excessive sweating at night, fatigue, weight loss, bone pain, and easy bleeding or bruising are signs of this disease.

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Lactose Intolerance

Lactose intolerence occurs when a person's small intestine can't break down lactose, an enzyme found in dairy foods. The condition can cause many gastrointestinal symptoms.

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Peptic Ulcer

Peptic ulcers are painful sores in the lining of the stomach, esophagus, or small intestine. Peptic ulcers are a fairly common health problem.

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Hepatitis refers to an inflammatory condition of the liver. It's commonly caused by a viral infection, but there are other possible causes of hepatitis.

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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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Stomach Ulcer

Stomach ulcers are painful sores in the stomach lining or small intestine. They occur when the mucus that protects the stomach from digestive juices is reduced.

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H. Pylori Infection

H. pylori are a type of bacteria that may not cause problems. However, sometimes it can cause pain, bloating, and burping, and may lead to ulcers or stomach cancer.

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Crohn’s Disease

Crohn's disease is a chronic bowel disease that causes severe inflammation of the digestive tract. It is associated with abdominal pain, diarrhea, and may affect your quality of life. Crohn's disease is characterized b...

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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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Colitis is inflammation of the colon, often causing discomfort and pain in the abdomen, as well as other gastrointestinal symptoms. Colitis has many possible causes, which determine the type.

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Ulcerative Colitis

Ulcerative colitis is an inflammatory bowel disease. It occurs when the lining of the large intestine (colon or bowel) and the rectum become inflamed.

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Type 1 Diabetes

Type 1 diabetes is a chronic disease that result high levels of glucose in the blood due to a lack of insulin production. Glucose is a natural sugar that your body uses as a source of energy.

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