There are natural variations in how people sweat just as there are variations in other body functions.
True excessive sweating
goes beyond the normal physical need to sweat.( hyperhydrosis )
You sweat heavily for no reason- when it is not appropriate to the circumstances.
There are two types of hydrosis.
Local excessive sweating generally takes place in underarms or face or head or feet and both sides of body are equally involved.Such type of sweating is generally normal.
Generalised excessive sweating may be due to underlying medical conditions like
Certain cancers etc.
Use of medications like certain psychiatric drugs,anti hypertensives,certain antibiotics eyc.
The classical hallmark of generalised hyperhydrosis is excessive generalised sweating in night.
consult a doctor
If sweating is asymmetrical
If there are excessive night sweats
If there is profuse general sweating
Treatment will depend upon the cause found however for local sweating antiperspirants,Botox
or certain medications can be given