Therapy (in Greek: θεραπεία) or treatment is the attempted remediation of a health problem, usually following a diagnosis.

Some therapeutic methodologies from Western medicine, Eastern medicine (especially traditional Chinese medicine), and alternative health care include:

• acupuncture
• aromatherapy
• colour therapy
• crystal healing
• drug therapy
• hyperbaric oxygen therapy
• immunosuppressive therapy
• light therapy
• magnet therapy
• massage therapy
• moxibustion
• occupational therapy
• phage therapy
• physical therapy / physiotherapy
• psychotherapy (e.g., cognitive therapy, Gestalt therapy, group therapy)
• radiation therapy
• recreational therapy
• sex therapy
• shock therapy (e.g., electroconvulsive therapy)
• speech therapy
• surgery
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See also: Palliative care

Therapy? is also the name of a musical band.