Over 25 percent of Americans have a condition that causes knee or leg pain. Nearly half of us develop symptoms of knee osteoarthritis by age 85.

A peripheral nerve block can be used to treat pain coming from nerves that are outside of the brain and spinal cord.

If you suffer from one of these conditions, your doctor may recommend a sympathetic block procedure:

From aching to throbbing, sharp to explosive, headache pain can be debilitating and cause disruption in your life.

Low back pain is difficult. It can interfere with your ability to work and carry out daily activities, negatively affect your relationships, and reduce your overall quality of life.