Are You Suffering From Acute or Chronic Pain?

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Pain is also described as acute or chronic. The word "acute" derives from the Latin word for needles and is usually described as a severe, sharp sensation. The initial stage of an injury is called the acute phase.

The word "chronic", on the other hand, originated from the Greek word for time. Chronic pain is pain that persists after a length of time, often months to years. Many back injuries tend to become chronic, especially when not treated properly during the acute phase. Chronic pain is often experienced as a dull ache or constant nagging irritant.

Acute and chronic pain sensations also travel different nervous system pathways inside the body. When you injure muscles or ligaments in your back, nerve endings called pain receptors pick up the pain impulses and transmit them to the spinal cord. From here, the pain message ascends to the brain. This process takes place at varying rates of speed depending on the size of the nerve fiber involved.

Acute pain tends to travel on faster, larger diameter fibers, while chronic pain prefers smaller, slower pain fibers. Experts suggest that chronic pain affects the brain's limbic system, which is associated with emotional states. Anyone who has ever had a long-term painful injury knows that negative or distressing emotions may accompany or perpetuate the initial injury.