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@gentleshaid hilotherapy and cryotheraphy are synonymous in function but there is a little different. But exist to achieve the same objectives of goal.

Hilotherapy is a precise temperature controlled treatment that reduces pain, swelling and bruising following surgery or injury. It is also highly effective in the treatment of persistent joint problems including many types of arthritis.
For centuries ice has been used to aid recovery following injury. By using precise temperature control.
Cold compression therapy, also known as hilotherapy, combines two of the principles of rest, ice, compression, elevation to reduce pain and swelling from a sports or activity injury to soft tissues and recommended by orthopedic surgeons following surgery.

Cryotherapy is popularly used to relieve muscle or acute pain, sprains and inflammation of the skin and tissues either through soft tissue damage or postoperative swelling. It can be a range of treatments from the very low technology application of ice packs or immersion in ice baths generally known as cold therapyto the use of cold chambers (whole body or partial body cryotherapy) and or face masks or body cuffs with controlled temperature, sometimes called hilotherm.

Nicely differentiated. Thanks