Excessive sweating, also known as hyperhidrosis, is the state of overworking the sweat glands, which occurs when a large amount of chemical stimulus secreted from the brain reaches the sweat glands for various reasons. Although sweating alone is a physiological event that is necessary for the body's temperature control, excessive sweating; For no reason, it may appear as drops on the hands, feet, armpits, or head area. A flushed face may accompany this condition, or facial redness may occur alone without sweating.