A 53-year-old female asked:
i have a knot on the lower left side of my back and is tender also pain down right leg?
1 doctor answer
Dr. Edward Smith answered
53 years experience Neurosurgery
Sciatica: Statistically the most common cause of this is sciatica, irritation of the sciatic nerve (or its contributors). The knot in your back s almost certainly focal muscle spasm which frequently occurs in sciatica, even if the knot is on the opposite side as the leg pain.
Answered on Mar 17, 2013
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