therapy - (medicine) the act of caring for someone (as by medication or remedial training etc.); "the quarterback is undergoing treatment for a knee injury"; "he tried every treatment the doctors suggested"; "heat therapy gave the best relief"

phototherapy - the use of strong light to treat acne or hyperbilirubinemia of the newborn

Curietherapy, radium therapy - the use of radium in radiation therapy

X-ray therapy - the therapeutic use of X rays

medical specialty, medicine - the branches of medical science that deal with nonsurgical techniques