Extracorporeal shock wave therapy (ESWT) is an outpatient procedure in which shock waves are administered with the goal of relieving tendon and/or ligament pain. No incisions or injections are required. This treatment may require a series of outpatient appointments, and potential side effects include pain, swelling, and unusual or changed sensation, including numbness

DAM Image: 
Image of a physician performing ESWT on a patient's heel