All of us sweat and when it is hot or when we are anxious we sweat more. This is normal and it is only when the sweating is excessive and causes ruined clothing or extreme social embarrassment that it is called hyperhidrosis.
Generalised hyperhidrosis may be the result of systemic disease such as chronic infection or an over active thyroid. Localised sweating confined to the armpits or hands is not usually associated with any generalised problems.
Treatment may be Botox injections or keyhole surgery.
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