Hyperhidrosis : Causes for excessive sweating
Excessive sweating or hyperhidrosis is defined as sweating beyond
the physiological need of the body. Sweating is a way the body regulates
its temperature. Sweat is produced by sweat glands located in the
skin in various parts of the body.
These sweat glands have their highest concentrations in the palms
of the hands. The activity of sweat glands is under the control
of the sympathetic nervous system and is involuntary. Over activity
of the sympathetic nervous system can cause excessive sweating.
Excessive sweating or hyperhidrosis is divided into two main categories:
Excessive sweating in
primary hyperhidrosis has unknown etiology and tends to be localized.
This can affect:
Hands: palmar hyperhidrosis
Face: facial hyperhidrosis
Underarm: axillary hyperhidrosis
Feet: pedal hyperhidrosis
Treatment for primary hyperhidrosis
is a multidisciplinary challenge that involves medications,
Excessive sweating in secondary hyperhidrosis has an underlying
reason and generally affects the entire body. Conditions causing
secondary hyperhidrosis are:
Treatment for secondary hyperhidrosis involves eliminating the