What causes abdominal pain, loss of appetite and muscle pain? 16 possible conditions

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

1

Hepatitis

Hepatitis is swelling and inflammation of the liver. It's usually caused by a viral infection. There are several types of hepatitis, including: A, B, C, D, and E. Symptoms may not occur until liver damage occurs.

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2

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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3

Hyperparathyroidism

In hyperparathyroidism, the parathyroid glands make too much of their hormone. It affects a number of body systems and can cause skin changes, including brittle nails and itching.

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4

Sarcoidosis

Sarcoidosis is an inflammatory disease that causes granulomas, which are clumps of immune cells, to form in different organs. A skin rash is one symptom of sarcoidosis of the skin.

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5

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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6

Hepatitis A

Hepatitis A (HAV) is a short-term type of hepatitis. It usually requires no treatment, but symptoms include fever, nausea, jaundice, and itchy skin, among others.

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7

Typhus

Typhus fevers are caused by a bacteria that is transmitted by bites from fleas, ticks, mites, and other arthropods. Rash is a common symptom of typhus.

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8

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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9

Hepatitis B

Hepatitis B is liver inflammation caused by the hepatitis B virus (HBV). It can be chronic or acute, but most cases are chronic. This disease is easily spread through blood, saliva, and other body fluids.

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10

Brucellosis

Brucellosis is a rare disease usually spread through ingesting infected raw meat and unpasteurized milk. Back pain, lethargy, chills, and fever may occur and could lead to complications.

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11

Diabetic Ketoacidosis

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

Diabetic ketoacidosis (DKA) is a serious complication that stems from diabetes. If you don't have enough insulin to help your body process sugars (glucose), your body will start burning fat to fuel itself. As a result...

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12

Yellow fever

Yellow fever is a serious, potentially deadly flu-like disease spread by mosquitoes. It's found mostly in Africa and South America. Symptoms of stage 3 yellow fever include abdominal pain, vomiting, and jaundice.

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13

Hepatitis D

Hepatitis D is an infection of the hepatitis D virus that causes your liver to swell and is uncommon in the United States. It is almost always contracted by people with hepatitis B.

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14

Hepatitis C

Hepatitis C is a disease that causes inflammation and infection in the liver. Symptoms of chronic cases may not be obvious at first, whereas acute hepatitis C sets in quickly after exposure to the virus.

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15

Polyarteritis Nodosa

Polyarteritis nodosa (PAN) is a condition that causes swollen arteries. It primarily affects small and medium-sized arteries, which can become inflamed or damaged. This is a serious disease of the blood vessels cause...

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16

Hypersensitivity (Allergic) Vasculitis

Vasculitis is inflammation of blood vessels. It can damage blood vessels by thickening, scarring, and weakening the cell wells. There are many different types of vasculitis; some are acute and last a short time, whil...

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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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