What does -therapy mean in medical terms?

-therapy

Meaning: treatment

Type: Suffix

A suffix goes at the very end of a word, after the root. On this page: what -therapy means, and real medical words that use it, each broken down into its parts.

Example words using -therapy

chemotherapy
chemo (chemical/drug) + -therapy (treatment) = treatment with drugs
radiotherapy
radio (radiation) + -therapy (treatment) = treatment with radiation

Shortened forms

Charts and notes shorten long terms — see the Medical Abbreviations guide for the short forms you will meet in real records.

Please note: This section teaches the language of medicine — what word parts mean and how terms are built. It is an educational reference, not medical advice. For the meaning of a word in your own medical record, ask the clinician who wrote it.