Compensatory hyperhidrosis is a complication of sympathectomy performed to control hyperhidrosis. Its frequency and severity is affected by the extent of the surgery performed.


Clinical features:

(1) increased sweating in parts of the body that showed normal sweating prior to the operation

(2) usually affects portions of the body located below (inferior) to the area made dry

(3) sweating may be triggered by heat or exercise


Sites affected in a thoracic sympathectomy:

(1) trunk, including abdomen and back

(2) buttocks

(3) groin

(4) thighs


It may severe and disabling.


Therapeutic options are limited. It may be controlled by injections of botulinum toxin type A.


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