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What causes abdominal pain, diarrhea and nausea? 32 possible conditions

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

1

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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2

Food Allergy Basics

Food allergies are overblown responses by the immune system to foods that aren't typically harmful - like eggs and peanuts. Continue reading and learn more about food allergies, and how to prevent or treat sever...

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3

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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4

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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5

Appendicitis

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

Appendicitis is inflammation of the appendix. Here's what it feels like, what causes it, and what tests to expect at your doctor's office.

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6

Painful Menstrual Periods

Menstruation occurs when the uterus sheds its lining once a month. The lining passes through a small opening in the cervix and out through the vaginal canal.

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7

Giardiasis

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

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8

Colorectal (Colon) Cancer

Colorectal cancer is a cancer that starts in the rectum or colon, located in the lower portion of the digestive system.

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9

PMS (Premenstrual Syndrome)

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

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10

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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11

Diverticulitis

Diverticulitis occurs when the bulging sacs that appear in the lining of your large intestine, or colon, get acutely infected, or inflamed. Symptoms include sudden abdominal pain, nausea, vomiting, constipation, an...

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12

Salmonella Food Poisoning (Salmonella Enterocolitis)

Salmonella food poisoning is one of the most common types of food poisoning. The Salmonella bacteria live in the intestines of humans and animals.

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13

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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14

Amebiasis

Amebiasis is a parasitic infection of the intestines commonly contracted in tropical regions.

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15

Intestinal Obstruction

If your small or large intestine becomes blocked, fluid and digested food can't pass through. This can cause bloating, stomach cramps, and burping.

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16

Shigellosis

Shigellosis is a bacterial infection that affects the digestive system. The Shigella bacterium is spread through contact with contaminated feces.

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17

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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18

Allergies Overview

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

Learn about what causes allergies, the different types of allergies, and how they're treated.

Read more »

19

Anaphylaxis

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

Anaphylaxis can occur when you have a severe reaction to certain allergens. Learn what the symptoms are and what to do if this happens.

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20

Ischemic Colitis

Ischemic colitis (IC) is inflammation of the large intestine (colon). IC occurs when not enough blood flows to the colon. Abdominal pain is a common symptom.

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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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