From the Research
Causes of Perianal Hyperhidrosis
The exact causes of perianal hyperhidrosis are not explicitly stated in the provided studies. However, the studies provide information on the causes of hyperhidrosis in general, which can be applied to perianal hyperhidrosis.
- Primary Hyperhidrosis: Primary hyperhidrosis is often idiopathic and triggered by emotional stimuli, although it is not generally a psychiatric disease 1. It is usually localized and may be partly based on genetic dispositions 2.
- Secondary Hyperhidrosis: Secondary hyperhidrosis is commonly associated with environmental or lifestyle factors, and sometimes physiological factors 2. It can be caused by underlying diseases, medications, or infections 2, 3.
- Sympathetic Nervous System: The mechanisms that cause excessive sweating can be traced to the sympathetic nervous system, part of the autonomic nervous system 4.
- Hypothalamic Sweat Center: It has been speculated that the primary abnormality is central, and that the hypothalamic sweat center that controls the palms, axillae, and soles is distinct in hyperhidrosis individuals 4.
Factors that May Contribute to Perianal Hyperhidrosis
The following factors may contribute to perianal hyperhidrosis:
- Genetic Dispositions: Localized hyperhidrosis is often partly based on genetic dispositions 2.
- Emotional Stimuli: Primary hyperhidrosis is often triggered by emotional stimuli 1.
- Environmental or Lifestyle Factors: Secondary hyperhidrosis is commonly associated with environmental or lifestyle factors 2.
- Underlying Diseases or Medications: Secondary hyperhidrosis can be caused by underlying diseases or medications 2, 3.