Polyhidrosis is a medical term used for excessive sweating. The condition occurs when a person sweats excessively even in situations where sweating is not necessary. There are various synonyms that can be used instead of polyhidrosis such as hyperhidrosis, diaphoresis, hydrosis, sudoresis, and sudation. These terms are often used interchangeably when referring to excessive sweating. Hyperhidrosis is a more commonly used term, and it is a condition that affects about 3% of the population. It usually affects the palms, soles, and armpits and can be caused by various factors, including certain medical conditions, medications, or genetics. Understanding the synonyms of polyhidrosis can help in effectively communicating with medical professionals about this condition.