What causes abdominal pain, pain and rash? 19 possible conditions

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


Chemical Burns

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

Chemical burns occur when the skin or eyes come into contact with irritants, such as acids or bases. Symptoms vary, but skin reactions, pain or numbness are common.

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Allergies Overview

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

An allergy is the immune system's response to a foreign substance (allergen) that is not typically harmful to a person's body. This attack response may involve inflammation, sneezing, and a host of other symptoms.

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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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Shingles is an infection caused by the varicella-voster virus, which also causes chickenpox. Following pain and burning,fluid-filled blisters that break easily are common symptoms.

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Scarlet Fever

Scarlet fever is an infection that may develop after strep throat. It usually affects children between six and 15 years old. It can cause a rash that consists of small red bumps and feels like sandpaper.

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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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Rheumatic Fever

Rheumatic fever is a possible and potentially serious complication of strep throat. It tends to occur in children between five and 15 years old. Rash is one possible sign of this condition.

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Porphyrias are rare types of genetic blood disorders in which patients have a defect in heme production, an important part of hemoglobin. Blisters are a sign of porphyria cutanea tarda, the most common type of porphyria.

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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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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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Ebola Virus and Disease

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

Ebola disease is a rare, often fatal illness. One of its late-stage symptoms is a bleeding rash over the entire body.

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Leukemia is a cancer of the blood cells. Excessive sweating at night, constant fatigue, weight loss, bone pain, and easy bleeding or bruising are all signs of this disease.

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Kawasaki Disease

Kawasaki disease is a rare, serious condition causing heart problems in children. The disease can also affect the lymph nodes, the skin, and the mucous membranes found inside the nose, throat, and mouth.

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The War of Cells: Graft vs. Host Disease

Graft vs. Host Disease is a common reaction that develops after an allogeneic bone marrow transplant. It usually goes away after the transplant has become established. It causes symptoms throughout the body's systems.

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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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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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Trichinosis is a roundworm that can infect humans when they eat certain undercooked meats. Rashes are a possible symptom of trichinosis after the larvae enter the muscle tissue.

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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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Weils Disease

Weil's disease is a severe form of the bacterial infection leptospirosis, which can lead to organ failure and bleeding. Symptoms include nausea, fever, headache, and jaundice.

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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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