Polyarteritis Nodosa

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What is Polyarteritis 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 (blood vessels that carry blood from the heart to the rest of the body) become inflamed and damaged. The inflammation of the arteries affects many different organs, including the:

  • Skin
  • Central nervous system (part of the nervous system that includes the brain and spinal cord)
  • Peripheral nerves (nerves of the feet, hands, legs, arms, and face)
  • Gastrointestinal tract (part of the digestive system that includes the mouth, esophagus, stomach, and intestines)
  • Kidneys
  • Heart
  • Joints
  • Ear, nose, and throat


Learn what Polyarteritis Nodosa is
What It Is
Learn the basics of this condition. Find out what you're dealing with.
Polyarteritis Nodosa Causes
What causes Polyarteritis Nodosa? Learn what the medical community has uncovered.
Polyarteritis Nodosa Risk Factors
Risk Factors
Are you at risk of getting Polyarteritis Nodosa? Inside you'll find known risk factors for the condition.
Polyarteritis Nodosa Diagnosis
How will your doctor diagnose you with this condition? Learn about the tests, process, and more.
Polyarteritis Nodosa Symptoms
What are the Polyarteritis Nodosa symptoms? Are you showing any? Learn more today.
Polyarteritis Nodosa Complications
Can this condition lead to other health problems? Learn more about the known complications.

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Screening for Polyarteritis Nodosa
Learn more about the specific tests or exams given by your doctor to screen for Polyarteritis Nodosa.
Polyarteritis Nodosa Medications
What medications offer relief or help with this condition? Are there side effects? Risks? Learn more.
Polyarteritis Nodosa Prevention
How can you prevent Polyarteritis Nodosa? Read what the medical community suggests for prevention methods.
Polyarteritis Nodosa Treatment
Can this condition be treated? What Polyarteritis Nodosa treatment options are available?
Polyarteritis Nodosa Care
Learn more about the day to day care of this condition. Changes to your activity, diet, exercise, and more.
Polyarteritis Nodosa Doctors
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Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition. Copyright ©2014 EBSCO Publishing All rights reserved. Source: EBSCO