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“Ouch, that hurts!”

Almost all of us have experienced pain of some kind. It’s the most common reason why people seek medical care. But because people feel pain differently, there’s no single treatment that will work for everyone.

 

Have you ever stepped on a sharp rock, accidentally rubbed your eyes after cutting a hot pepper, or struggled through a long workday with a throbbing headache? It may feel like the pain is happening in your foot, your eye, or your head, but your brain shapes how you experience pain and how you respond to it.

 

The many faces of pain

People experience pain in many different ways. Pain can range from the sharp feeling you get from a paper cut or a bee sting to the dull, persistent feeling of a sore muscle. In some cases, it’s constant. In other cases, it comes and goes.

Pain can be acute or chronic:

  • Acute pain is the pain you feel when you get hurt or injured. You may have experienced acute pain from an injury such as a cut or a broken limb or from disease or inflammation in the body. Acute pain can be intense and severe, but it typically resolves as your body heals from whatever caused it.

  • Chronic pain is pain that lasts much longer―usually months and sometimes even years. Chronic pain sometimes has a clear cause, such as an acute injury, a long illness, or damage to and dysfunction of your nervous system. Sometimes it even happens without any obvious reason. 

 

Different kinds of pain have different causes: There is pain caused by tissue damage. Pain may be caused by nerve damage or dysfunction. You can experience neuropathic pain from injuries or illness that affect the spinal cord and brain (for example, a slipped disc in your spine) or the peripheral nervous system (the nerves throughout the rest of your body). This kind of pain often feels similar to burning, shooting, or stabbing. Then, there is inflammatory pain that happens when your immune system activates in response to injury or infection. In addition to causing redness or swelling, it can also make you more sensitive to feelings of pain.

 

How we experience pain: When you are in pain, it’s because your nervous system thinks that a part of your body is injured or in danger of getting injured (by accidentally touching a hot stove, for example). Pain is a normal sensory signal that something might be wrong and that you should do something about it. You don’t become aware of pain until your brain processes it. 

 

How acute pain turns chronic:  Most of the time, pain is a useful alarm system designed to keep us safe. But sometimes pain signals keep firing even after the body’s tissues have healed. 

 

When pain continues for a long time―such as during a long illness or after a serious injury―it can cause changes to your nervous system, which make you more sensitive to pain. This means that certain stimuli make you feel pain more quickly, and the pain can be more intense and last longer. 

Treatment: Your experience of pain is influenced by a complex set of factors that are unique to you, including your genes and biology, past experiences, emotions, and environment. That means that everyone’s pain feels differently. There isn’t a way to measure it objectively, and there isn’t one single treatment that will work for everyone.


Don’t ignore your pain. It’s your brain’s way of signaling something is amiss.

 

Working with your health care provider to understand and treat pain safely and effectively is the best approach. Your pain management will depend on the kind of pain you’re experiencing and what’s causing it. It often involves a combination of treatments, which may include over-the-counter and/or prescription medications; Physical and occupational therapy; Counseling and therapy; Medical treatments (such as medications and injections); Neuromodulation therapies (devices that stimulate nerves or the spinal cord) to reduce pain; Complementary and integrative therapies (such as acupuncture and mindfulness meditation).

Sources: adapted from an article at https://magazine.medlineplus.gov/article/ouch-that-hurts-the-science-of-pain; National Institute of Neurological Disorders and Stroke; National Center for Complementary and Integrative Health; International Association for the Study of Pain; Institute of Medicine

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