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Understanding the Pain Response

Your pain is important. It can slow healing and keep you from being active. You may have acute or chronic pain. Both types of pain respond to treatment. Work with your health care professional. Together you can find relief.

Types of Pain

Acute pain is caused by a health problem or injury. The pain goes away when its cause is treated. You may have pain:

  • From an illness or injury that needs emergency care.

  • After an operation, such as heart surgery.

  • During and after the birth of your baby.

Chronic pain lasts 3–6 months or more. It can be caused by a health problem or injury, such as arthritis or a shoulder injury. Chronic pain can also exist without a clear cause.

Your Perception of Pain

All pain signals travel to the brain. The brain sends back signals to protect the body. The brain also sends out its own painkillers (endorphins). These can help reduce the pain. Outline of human figure showing brain and spinal cord. One arm is raised with pain glow on raised hand. Arrows show pain signal moving up arm to spinal cord and brain. Another arrow shows arrow going from brain to pain site.

  1. Pain starts in one or more parts of the body. In some cases, the site of the pain is far from its source.

  2. Pain signals move through nerves and up the spinal cord.

  3. The brain reads the signals as pain. Natural painkillers are released.

  4. The feeling of pain is reduced.

 

Online Medical Reviewer: Hanrahan, Maura, MD
Online Medical Reviewer: Ziegler, Olivia Walton, MS, PA-C
Date Last Reviewed: 11/25/2012
© 2000-2014 The StayWell Company, LLC. 780 Township Line Road, Yardley, PA 19067. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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