Anhidrosis
Encyclopedia
Anhidrosis means lack of sweating
Sweating
Perspiration is the production of a fluid consisting primarily of water as well as various dissolved solids , that is excreted by the sweat glands in the skin of mammals...

. It is also known by a number of other names including Adiaphoresis, Ischidrosis, Hypohidrosis, Oligidria, Oligohidrosis and Sweating deficiency.

Causes

Anhidrosis may be caused by underactivity of the sympathetic nervous system
Sympathetic nervous system
The sympathetic nervous system is one of the three parts of the autonomic nervous system, along with the enteric and parasympathetic systems. Its general action is to mobilize the body's nervous system fight-or-flight response...

. Eccrine sweat glands are innervated
Nerve
A peripheral nerve, or simply nerve, is an enclosed, cable-like bundle of peripheral axons . A nerve provides a common pathway for the electrochemical nerve impulses that are transmitted along each of the axons. Nerves are found only in the peripheral nervous system...

 via muscarinic acetylcholine receptor
Muscarinic acetylcholine receptor
Muscarinic receptors, or mAChRs, are acetylcholine receptors that form G protein-coupled in the plasma membranes of certain neurons and other cells...

s; hence, anti-muscarinic drugs
Medication
A pharmaceutical drug, also referred to as medicine, medication or medicament, can be loosely defined as any chemical substance intended for use in the medical diagnosis, cure, treatment, or prevention of disease.- Classification :...

 cause anhidrosis.

See also

  • Horner's syndrome
    Horner's syndrome
    Horner's syndrome is the combination of drooping of the eyelid and constriction of the pupil , sometimes accompanied by decreased sweating of the face on the same side; redness of the conjunctiva of the eye is often also present...

  • Hyperhidrosis (excessive sweating)
    Hyperhidrosis
    Hyperhidrosis is the condition characterized by abnormally increased perspiration, in excess of that required for regulation of body temperature.-Classification:Hyperhidrosis can either be generalized or localized to specific parts of the body...

  • Congenital insensitivity to pain with anhidrosis
    Congenital insensitivity to pain with anhidrosis
    Congenital insensitivity to pain with anhidrosis is an extremely rare inherited disorder of the nervous system which prevents the sensation of pain, heat, cold, or any real nerve-related sensations ; however, patients can still feel pressure. CIPA is the fourth type of hereditary sensory and...

     (CIPA)
  • Fabry's disease
    Fabry's disease
    Fabry disease is a rare X-linked recessive lysosomal storage disease, which can cause a wide range of systemic symptoms...


External links

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