Hypohidrosis is a condition characterized by an inability to sweat, leading to potential overheating and serious health risks such as heat stroke. The condition can arise from various causes, including abnormalities in sweat glands, skin damage, or nervous system disorders, and its symptoms can range from dizziness to fatigue. Diagnosis typically involves physical exams and specific tests, while treatment focuses on managing underlying causes and alleviating symptoms.

1. Hypohidrosis

2. Hypohidrosis
Hypohidrosis is a condition in which a person loses
his ability to sweat even in hot and humid
conditions. Our body releases the heat in the form of
sweating. The inability of the body to sweat due to
Hypohidrosis often increases the amount of heat in
the body. This overheating can result in fatal heat
stroke and other serious sweat gland complications.
Hypohidrosis can affect smaller or larger areas of the
body. Most people are not aware that they are
suffering from Hypohidrosis. If left untreated,
Hypohidrosis can lead to the development of another
serious condition known as Anhidrosis which results
in complete absence of sweating.

3. Causes of Hypohidrosis
The abnormality in sweat glands is the most common
cause behind the occurrence of Hypohidrosis. The
sweat glands of the body may not work properly
thus, causing excessive dryness of skin. People who
do not sweat even while exercising are at higher risk
of developing Hypohidrosis. Other possible causes of
Hypohidrosis are:
Excessive alcohol consumption
 Immune system disorder such as Sjogren’s syndrome
 Skin damage
 Leprosy
 Nervous system disorder
 Pulmonary problems

4. Causes of Hypohidrosis
 Trauma
 Dead skin cells
 Uncontrolled diabetes
 Scleroderma
 Bone marrow disorder
 Accumulation of abnormal proteins
 Genetic defect
 Drug abuse
 Dehydration
 Congenital disorder
 Thyroid disorder
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5. Symptoms
The signs and symptoms of Hypohidrosis depend on which
part of the body is affected by Hypohidrosis. Hypohidrosis
may affect one part of the body or the whole body. Consult
a dermatologist immediately if you experience any of these
symptoms. The common symptoms of Hypohidrosis are:
Dizziness
 Flushing
 Weakness
 Loss of body sweat
 Body cramps
 Heat stroke
 Rapid heart beat
 Nausea
 Fatigue
 Blurred vision

6. Diagnosis of Hypohidrosis
A dermatologist will start the diagnosis of Hypohidrosis by
performing a physical exam and asking a patient about their
medical history. After this, he may order a diagnostic test to get
detailed information about the condition. Diagnostic tests for
Hypohidrosis may include:
 Sweat imprint Test - For measuring the sweat in the patient’s
body.
 Quantitative sudomotor axon reflex test (QSART) - For
detecting the amount of sweat produced from the patient’s body
in response to a given stimulus.
 Tissue biopsy - Taking the sample of the affected tissue from
the sweat gland and observing it under the microscope.
 Thermoregulatory test - In this test, sweat production is
measured by exposing the skin to an increased temperature. The
alizarin powder is sprinkled, which changes its color from purple
to orange if sweat appears.

7. Treatments
The treatment of Hypohidrosis focuses on suppressing the
underlying causes of Hypohidrosis. A dermatologist may
inject local anesthetic into the sympathetic nerve tissue in
the neck. In some cases, a he may prescribe tropical
antiperspirants to get relief from the symptoms.
Natural treatment of Hypohidrosis
Drink plenty of water
 Avoid exercising in hot weather
 Wear comfortable and loose clothes
 Avoid alcohol
 Sponge skin with cold water

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