Loss of appetite, Stomach cramps: 15 Possible Causes
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What causes loss of appetite and stomach cramps? 15 possible conditions

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



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

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PMS (Premenstrual Syndrome)

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

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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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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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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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Ectopic Pregnancy

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

Ectopic pregnancies occur when a fertilized egg fails to attach to the uterus. In most ectopic pregnancies, the egg will attach to the fallopian tubes. Less common, it may also attach to the abdominal cavity or cervix...

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Urethritis is a condition in which the urethra, or the tube that carries urine from the bladder to outside the body, becomes inflamed and irritated.

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

Botulism (or botulism poisoning) is a rare but very serious illness that transmits through food, contact with contaminated soil, or through an open wound.

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Pyogenic Liver Abscess

A pyogenic liver abscess (PLA) is a pocket of pus in the liver. It can be life-threatening. Find out the causes and symptoms of PLA and how it's treated.

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Staphylococcus Aureus Food Poisoning

Staphylococcus aureus is a common bacterium found in the nose and on the skin of some people and animals. It is a common cause of food poisoning.

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Radiation Enteritis

Radiation enteritis is a common complication of radiation treatment near the abdomen. It occurs when radiation irritates your small intestine.

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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.