Abdominal pain, Loss of appetite: 70 Possible Causes
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What causes abdominal pain and loss of appetite? 70 possible conditions

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

21

Hookworm Infections

Hookworms are parasites that affect the small intestine and lungs. The first sign of infection is usually a rash where the parasite entered the skin, followed by diarrhea.

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22

Stomach Cancer (Gastric Adenocarcinoma)

Stomach cancer occurs when cancerous cells form in the stomach lining. Because it's difficult to detect, it's often not diagnosed until it's more advanced.

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23

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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24

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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25

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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26

Infectious Mononucleosis

Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).

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27

Pyelonephritis

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

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28

Underactive Pituitary Gland (Hypopituitarism)

Hypopituitarism occurs when your pituitary gland in your brain is not releasing one or more of the eight hormones it should be releasing.

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29

Chickenpox

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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30

Hepatitis A

Hepatitis A is inflammation of the liver caused by the hepatitis A virus. This is an acute (short-term) type of hepatitis, which usually requires no treatment.

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31

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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32

Chlamydia Infection

Chlamydia is a sexually transmitted disease that should be treated quickly in order to avoid complications. It is caused by bacteria that are usually spread through sexual contact. People with chlamydia often don't hav...

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33

Chronic Pancreatitis

Chronic, or long-term, pancreatitis is an inflammation of your pancreas that impairs your body's ability to digest food and regulate blood sugar.

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34

Urethritis

Urethritis is an infection of the urethra, the tube that carries urine from the bladder and semen out of the body. Symptoms include burning while urinating, abdominal pain, and discharge.

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35

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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36

Abdominal Aortic Aneurysm

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

The aorta carries blood from your heart down to your abdomen, legs, and pelvis. Swollen aortic walls in the abdomen is known as an abdominal aortic aneurysm.

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37

Botulism

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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38

Torsion of Testes

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

Torsion of the testes (testicular torsion) occurs when the spermatic cord becomes twisted, causing a restriction in blood flow to the testes, severe pain and possibly permanent damage. It is a medical emergency.

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39

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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40

Addisonian Crisis (Acute Adrenal Crisis)

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

An Addisonian crisis occurs when levels of cortisol suddenly drop. Learn more about an Addisonian crisis, including symptoms, risk factors, and treatment.

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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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