Spinal stenosis is a condition in which spaces in the spinal column narrow, compressing the spinal cord.

This puts pressure on the spinal cord and the spinal nerve roots, and may cause pain, numbness, or weakness in the legs. Symptoms related to Spinal stenosis can be Low Back Pain, Sciatica, Numbness or tingling in buttocks or leg and weakness in the legs or foot drop.

Fibromyalgia is believed to affect the central nervous system. The most common symptom of fibromyalgia is widespread pain, which can be experienced in one or more places throughout the body. The pain can vary from person to person, may move around the body from time to time and may change in intensity on a daily or even hourly basis.

People with fibromyalgia may also experience other symptoms, such as fatigue, sleep difficulties, lack of concentration and memory, mood swings and gastrointestinal problems (such as constipation or diarrhea) and have a heightened sensitivity to touch and pressure.

Migraine headaches are severe headaches that are generally accompanied by nausea and sensitivity to light and/or sound.

People with recurrent migraines may not be able to continue with normal daily activity during an attack. Attacks typically last several hours, and sometimes persist for several days.