Icy-hot is a term used to describe a sensation of alternating cold and hot. There are several synonyms to describe this phenomenon. One of the most common phrases used to describe icy-hot is "hot and cold." Other synonyms include "chilly-burning," "cool-heat," and "icy-burn." These phrases convey the same feeling as icy-hot, which is a sensation of coldness followed by a burst of warmth. The sensation of icy-hot is often used to describe muscle aches, soreness, and other conditions where alternating hot and cold sensations can provide relief. Regardless of the terminology used, icy-hot remains a popular therapeutic approach for a variety of ailments.