Some people just sweat a lot without any rhyme or reason. This is an uncontrolled mechanism of the body which has nothing to do with elevated temperature excessive exercise stress or being out in the sun for too long. This is a medical condition wherein a person might sweat so much that he might soak through his clothes or the sweat might drip off from his hands. This condition is called hyperhidrosis. It is also known as polyhidrosis or sudorrhea. Here are few tips to deal with excessive sweating. Besides disrupting normal daily activities hyperhidrosis can cause social anxiety embarrassment