* by electric energy as electric current: electrotherapy, electroconvulsive therapy
** Transcranial magnetic stimulation
** Vagus nerve stimulation
* by magnetic energy:
** magnet therapy
** pulsed electromagnetic field therapy
** magnetic resonance therapy
* by electromagnetic radiation (EMR):
** by light: light therapy (phototherapy)
*** ultraviolet light therapy
**** PUVA therapy
*** photodynamic therapy
**** photothermal therapy
**** cytoluminescent therapy
*** blood irradiation therapy
*** by darkness: dark therapy
*** by lasers: laser therapy
**** low level laser therapy
** by gamma rays: radiosurgery
*** Gamma Knife radiosurgery
*** stereotactic radiation therapy
*** cobalt therapy
** by radiation generally: radiation therapy (radiotherapy)
*** intraoperative radiation therapy
*** by EMR particles:
**** particle therapy
***** proton therapy
***** electron therapy
****** intraoperative electron radiation therapy
****** Auger therapy
***** neutron therapy
****** fast neutron therapy
****** neutron capture therapy of cancer
*** by radioisotopes emitting EMR:
**** by nuclear medicine
**** by brachytherapy
** quackery type: electromagnetic therapy (alternative medicine)
* by mechanical: manual therapy as massotherapy and therapy by exercise as in physical therapy
** inversion therapy
* by sound:
** by ultrasound:
*** ultrasonic lithotripsy
**** extracorporeal shockwave therapy
*** sonodynamic therapy
** by music: music therapy
* by temperature
** by heat: heat therapy (thermotherapy)
*** by moderately elevated ambient temperatures: hyperthermia therapy
**** by dry warm surroundings: Waon therapy
**** by dry or humid warm surroundings: sauna, including infrared sauna, for sweat therapy
** by cold:
*** by extreme cold to specific tissue volumes: cryotherapy
*** by ice and compression: cold compression therapy
*** by ambient cold:
**** hypothermia therapy for neonatal encephalopathy (in newborns)
**** targeted temperature management (therapeutic hypothermia, protective hypothermia)
** by hot and cold alternation: contrast bath therapy