Abdominal pain, Diarrhea, Loss of appetite: 19 Possible Causes
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What causes abdominal pain, diarrhea and loss of appetite? 19 possible conditions

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

1

Viral Gastroenteritis

Viral gastroenteritis, also known as the stomach flu, is caused by a number of different viruses. Its symptoms usually last for two to three days.

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2

Giardiasis

Giardiasis is an infection in your small intestine caused by microscopic parasites called giardia.

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3

PMS (Premenstrual Syndrome)

Premenstrual syndrome causes a wide variety of emotional and physical symptoms. Learn more about it.

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4

The Many Sides of Bacterial Gastroenteritis

Bacterial infections are common causes of gastrointestinal infections. This type of infection is also called "food poisoning" and is often caused by poor hygiene or ingesting foods contaminated with bacteria.

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5

Irritable Bowel Syndrome

Irritable bowel syndrome (IBS) is a chronic condition that affects the large intestine and causes many uncomfortable symptoms, such as bloating, gas, cramping, diarrhea, constipation, and pain.

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6

Appendicitis

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

Appendicitis is inflammation of the appendix.

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7

Celiac Disease (Gluten Intolerance)

Celiac disease is a digestive disorder caused by an abnormal immune reaction to gluten. Learn about celiac disease systems, diagnosis, and treatment.

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8

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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9

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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10

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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11

Hookworm Infections

Hookworms are parasites that affect the small intestine and lungs. Read more about the symptoms of this infection and treatment options.

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12

Addison’s Disease

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

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13

Drug Allergy Overview

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

A drug allergy is an allergic reaction to a medication. Your immune system identifies the drug as foreign and acts to eliminate it from your body.

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14

Pancreatic Cancer

Pancreatic cancer is one of the most deadly forms of cancer and is often difficult to detect. Learn more about symptoms and treatments.

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15

West Nile Virus Infection (West Nile Fever)

Spread by mosquitos, West Nile virus symptoms can vary in severity. Diarrhea and abdominal pain usually appears within two weeks of infection.

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16

Leishmaniasis

Leishmaniasis is a parasitic disease caused by the Leishmania parasite found in sand flies.

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17

Acetaminophen Overdose

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

Acetaminophen (Tylenol) is a pain reliever found in over-the-counter and prescription medications. Overdose can cause liver damage.

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18

Encopresis

Encopresis is when a child over the age of 4 has a bowel movement and soils their pants. They can't control this. It may have physical and psychological causes.

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19

Hypersensitivity (Allergic) Vasculitis

Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell wells.

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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.
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