Idiopathic pure sudomotor failure

Idiopathic Pure Sudomotor Failure (IPSF) is a rare neurological disorder characterized by the loss of sweat gland function without any other autonomic or peripheral nervous system abnormalities. The term "idiopathic" refers to the unknown cause of the condition, while "pure sudomotor failure" indicates the specific impairment of the sweat glands.

Symptoms

The primary symptom of IPSF is anhidrosis, or the inability to sweat normally. This can lead to heat intolerance and fever during hot weather or physical exertion. Other symptoms may include dry skin and mucous membranes, and reduced or absent thermoregulation.

Diagnosis

Diagnosis of IPSF is often challenging due to its rarity and the lack of specific diagnostic criteria. It typically involves a thorough medical history, physical examination, and specialized tests to assess sweat gland function. These tests may include the QSART (Quantitative Sudomotor Axon Reflex Test) and thermoregulatory sweat test (TST).

Treatment

There is currently no cure for IPSF, and treatment is primarily symptomatic. This may involve measures to prevent overheating, such as staying in cool environments, wearing lightweight clothing, and staying hydrated. Medications that stimulate sweat production may also be used.

Prognosis

The prognosis for individuals with IPSF varies. Some individuals may experience a gradual worsening of symptoms over time, while others may have stable symptoms. The condition does not typically affect life expectancy.

See also

• Autonomic neuropathy
• Dysautonomia
• Sweat gland disorders

References

Idiopathic pure sudomotor failure Resources
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