What does cryotherapy mean?
Cryotherapy is the use of extreme cold as a therapeutic tool. In its medical sense, it refers to procedures that apply freezing temperatures to destroy abnormal tissue — dermatologists routinely freeze off warts and precancerous lesions with liquid nitrogen, and oncologists may use targeted cold to treat tumors. More recently, the word has taken on a popular second meaning: whole-body cryotherapy, in which a person stands for two to four minutes inside a chamber cooled well below freezing, a practice embraced by athletes seeking faster muscle recovery and by wellness enthusiasts pursuing general health benefits. The term derives from Greek roots — kryos meaning icy cold and therapeia meaning healing or cure — so it literally translates as "cold cure." While the medical applications of cryotherapy are well established and evidence-backed, claims about its wellness benefits remain more contested. The word appears most often in clinical, sports-medicine, and fitness contexts, giving it a tone that ranges from rigorously scientific to trend-driven depending on setting.
nounThe therapeutic use of extremely low temperatures, especially to treat tissue damage, inflammation, or certain medical conditions; also, the practice of brief whole-body exposure to cold for recovery or wellness purposes.
- Medical treatment involving the application of intense cold to destroy or treat abnormal or damaged tissue.
- Whole-body exposure to very cold air in a controlled chamber, used by athletes and wellness enthusiasts for recovery and perceived health benefits.
"After her marathon training sessions, she credited regular cryotherapy with easing her muscle soreness."
"Cryotherapy is commonly used to remove warts and precancerous skin lesions by freezing them."
"The football club installed a cryotherapy chamber at its training facility to speed players' recovery."
Rarely pluralized since it denotes a type of treatment rather than countable instances; individual treatments are usually called 'sessions'.
"Different cryotherapies are used depending on whether the target is a skin lesion or an athlete's sore muscles."
Athletes pay to stand in chambers chilled below −110 °C — cold enough to freeze skin on contact — yet the entire session lasts barely three minutes.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cryotherapy
The word cryotherapy combines two Greek roots: kryos, meaning frost or icy cold, and therapeia, meaning healing or medical treatment. It entered English usage in the late nineteenth century alongside other cryo- terms such as cryogenics and cryosurgery, as physicians began systematically applying refrigeration and freezing agents to medicine. Its cognates include the broader family of -therapy compounds — chemotherapy, physiotherapy, aromatherapy — all sharing the same Greek root for cure.
How cryotherapy is actually used
Register is largely clinical or technical when referring to medical applications, but has become casual and lifestyle-oriented in fitness contexts. The wellness sense is more common in American English sports media, while the medical sense is universal.
Easily confused with cryotherapy
Chemotherapy treats disease (especially cancer) using chemical drugs, whereas cryotherapy uses extreme cold as the therapeutic agent.