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Autonomic failure

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Autonomic failure involves both the parasympathetic and sympathetic systems, however it is failure of the sympathetic system which produces most symptoms.

Classically the patient is a middle-aged male who complains of impotence, inability to sweat and postural blackouts when standing up.

Commonly autonomic failure is associated with systemic disease, neurodegenerative disorders or drugs effects.

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