Polyarteritis Nodosa

(PAN; Periarteritis Nodosa)


Polyarteritis nodosa is an autoimmune disease. Your immune system is your body’s defense system. It fights diseases and infections. An autoimmune disease is a condition in which your body's immune system mistakenly attacks your own body. With polyarteritis nodosa, medium-sized arteries and, less commonly, small arteries become inflamed and damaged. The inflammation of the arteries affects many different organs.


The cause of polyarteritis nodosa is unknown. In rare cases, however, it occurs with hepatitis B virus infection or hairy cell leukemia.

Risk Factors

Polyarteritis nodosa is more common in people 40 to 60 years of age, although it can occur at any age. It is also more common in men. Factors that may increase your chance of developing polyarteritis nodosa include:


Polyarteritis nodosa is a multisystem disease. This means that it affects many parts of your body at the same time. It can affect organs such as the skin, kidney, nerves, and gastrointestinal tract, which includes the mouth, esophagus, stomach, and intestines.Often, you will experience headache, fatigue, weight loss, loss of appetite, and fever. Other symptoms include:
  • Skin:
    • Rashes
    • Open sores on the skin
    • Small bumps under the skin
    • Bruises
    • Death of skin tissues
    Cut-Away View of Skin with Bruise
    Copyright © Nucleus Medical Media, Inc.
  • Nervous system:
    • Tingling, burning, pain, or numbness in your feet, hands, legs, arms, and face
    • Decreased alertness
    • Inability to think clearly
  • Gastrointestinal:
    • Pain in the abdomen
    • Nausea and vomiting
    • Bloody and non-bloody diarrhea
  • Vision problems
    Detachment of Retina
    Retinal tear
    Copyright © Nucleus Medical Media, Inc.
  • Genital sores

leave comments
Did you like this? Share with your family and friends.
Related Topics:
Current Research From Top Journals

Music May Improve Sleep Quality in Adults with Insomnia
October 2015

Insomnia can make your days miserable and a cure can be hard to find. There are some medications but there is some worry with side effects and the potential for addiction. Music is side effect free and according to this study may help you find sleep.

dot separator
previous editions

CPAP May Help Older Adults with Obstructive Sleep Apnea
September 2015

Water Before Meals May Promote Weight Loss
August 2015

Fecal Transplants Induce Ulcerative Colitis Remission
July 2015

dashed separator


Our Free Newsletter
click here to see all of our uplifting newsletters »