What is "prolotherapy"

n. The injection of an otherwise non-pharmacological and non-active irritant solution into the body, generally in the region of tendons or ligaments for the purpose of strengthening weakened connective tissue and alleviating musculoskeletal pain.

Prolotherapy, also called proliferation therapy or regenerative injection therapy is an alternative medicine treatment that uses injection of an irritant solution into ligaments or tendon insertion in an effort to relieve pain.