Read reviews on Prolotherapy for the treatment of:

Prolotherapy is promoted for the treatment of chronic myofascial pain. The therapy involves injections (usually a dextrose solution) into the relevant joint, tendon or ligament in order to provoke an agitation in the tissue, which is believed to stimulate regeneration. Prolotherapy is promoted for the treatment of osteoarthritis, sports injury and back pain.

Reference
sciencebasedmedicine.org