What Causes Excessive Underarm Sweating?

What Causes Excessive Underarm Sweating?

Table of Contents

When you’re working in the garden on a hot summer day, you’re more than likely going to sweat. What is the cause of armpit sweat? Sometimes, you may suddenly start sweating by drinking an energy drink or eating spicy food.


Sweating is the body’s natural response to heat or anxiety. Evaporation of sweat from the surface of the skin helps the body to maintain its normal temperature. 


Nerves of the sympathetic nervous system regulate the output of the sweat glands to regulate the amount of sweat production. 


Eccrine glands are found all over the body, including the armpits. Which produces a thin, cooling sweat. During puberty, apocrine glands are found mainly in the armpits and groin, which produce oily sweat when they come into contact with skin bacteria.


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Also they produce an unpleasant smell. Although the cause of excessive sweating is the body’s natural response to temperature changes, some people experience severe sweating in certain areas of the body, such as armpits, neck, or palms, for no apparent reason.


Excessive sweating is also caused by a medical condition called hyperhidrosis, which affects approximately 3 per cent of the population.


The cause of excessive underarm sweating can be very uncomfortable, but it is an unavoidable occurrence anyway.

Find its root causes

When you are in hot summer weather, your body temperature rises. When your body gets hot, your body system starts sweating to regulate your body temperature. 


The water that sits on your body lowers your body temperature by evaporating. Therefore, your body temperature will decrease.

The wetness and cold feeling that comes from the sweat holes in the armpits is very uncomfortable, And it can embarrass you when underarm sweat comes out of your shirt. 


Heavy, irregular sweating isn’t necessarily due to heat or exercise. These sweat pit stains can happen anywhere and to anyone.

The main cause of armpit sweating is that the eccrine and apocrine glands in the armpit emit a different odour than other parts of the body.


If your armpit sweat is excessive, you may be suffering from excessive sweating or axillary hyperhidrosis. The severity of this disease can be low or high.

What Causes Excessive Underarm Sweating? 002

Below, we examine the causes of excessive underarm sweating:

  • Physical activity

The most obvious cause of excessive underarm sweat can be physical activity. When you do physical activity, the body tries to get rid of the heat produced by sweating through the skin. 

The armpit is one of the parts that have more sweat glands. Therefore, a cause of armpit sweat can be the physical activities that you have on a daily basis.

  • Abnormal factors

Sometimes, you don’t understand the cause of excessive underarm sweat, and you have questions, but you should know that the consumption of substances such as coffee, cigarettes, alcohol and stimulants can be the cause of excessive underarm sweat. 

Related: “How To Cure Sunburn On The Face At Home?

This type of excessive sweating is the most common type of hyperhidrosis, focal or primary hyperhidrosis, in which the nerves of the sweat glands are overactive. In this case, even if you are not warming up your body or doing any activity, your feet and armpits will sweat.

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What Causes Excessive Underarm Sweating? 001
  • Stress and anxiety

This reason is involved in most medical problems. The existence of stress and anxiety can increase the activity of sweat glands, and as a result, a lot of sweat is produced in the armpits.

If you are in a stressful situation during the day and your work is such that you sweat a lot during the day, you can use antiperspirant pads.

One reason for excessive underarm sweat can be the stress you endure. These pads are available in cloth or disposable form that can absorb sweat from your body.

  • skin problems

Some skin problems, such as sweat gland infection, psoriasis or fungal infection, can cause excessive underarm sweat.

This type of excessive sweating is a more serious type of abnormal body sweating called secondary hyperhidrosis, which is caused by central or peripheral nervous system dysfunction.

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sweat formation 008
  • Hormonal factors

Hormonal changes, such as pregnancy or menstruation, can cause a lot of underarm sweat. In general, these changes are the cause of excessive body sweat because your body’s metabolism increases during these times.


Important Note:

One of the common symptoms of women in menopause is hot flashes. 

Excessive thirst, excessive sweating in the body and excessive underarm sweating, along with burning soles and hands, are things that women experience during menopause.

You should know that this profuse sweating is caused by periodic menopause, and it will go away. However, if hot flashes and excessive sweating bother you, you should discuss it with your gynaecologist.

Hormonal disorders are the direct result of diseases and disorders of the thyroid gland. 

After doing the hormone test, you can also solve the problem of excessive sweating by solving the thyroid problem.

Hot flashes 054
  • high blood pressure

One of the symptoms that a person with high blood concentration or high blood pressure may experience is excessive sweating.

Related: “How To Increase Blood Pressure? Mastering The Art Of Blood Pressure

  • Vitamin D deficiency

If your body’s vitamin D is low, the possibility of sweating from the head and the rest of the body

Increases sweating from the head is one of the initial vitamin deficiency symptoms.

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Studies show that 30 to 50 per cent of individuals who experience this type of sweating have genetics; this means that hyperhidrosis of the axillae is a family disease.

What Causes Excessive Underarm Sweating? 004
  • Other causes


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This type of excessive underarm sweating is called secondary hyperhidrosis; it is generally caused by a disorder in the body’s health and is a serious type of sweating.

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diagnosing the cause of excessive underarm sweat 

Most doctors diagnose the problem of early profuse sweating by reviewing medical records and performing examinations.

Some of the usual tests during the examination are:

  • Starch-iodine test: In this test, to detect the cause, some iodine is placed in the sweating area, and when the iodine becomes angry, starch is sprinkled on it. If the starch turns dark blue, you have a problem with excessive underarm sweating.
  • Temperature adjustment test to diagnose the cause of excessive sweating: In this diagnostic test, a special powder that is sensitive to humidity is used. It may be done in a humid environment such as a sauna. 

The observation of the result is that the colour of the powder changes in the area where sweating is excessive. 

If you have hyperthyroidism, your palms may sweat more than usual during the test.


There are other tests as follow:

  • Physical examination: The doctor may examine the sweat glands in the armpit area and check for any signs of irritation or inflammation of the skin and the cause of excessive sweating in the armpits, which may indicate an underlying condition such as eczema. to recognize
  • Blood tests: Blood tests can be done to rule out any underlying conditions that may be causing excessive sweating, such as thyroid disorders or diabetes.
  • Skin biopsy: A skin biopsy can done to examine sweat glands in the armpit area and check for signs of injury, inflammation, or other underlying conditions that may be causing excessive sweating.
  • Genetic testing: If a genetic problem is suspected, a genetic test may be performed.
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In short, excessive underarm sweat can have a natural or abnormal cause, and in more severe cases, it can be a sign of an underlying disease.

It is important to note that the treatment of excessive underarm sweating may depend on the underlying cause and may include topical medications, botulinum toxin injections, oral medications, or even surgery in some cases.

With the information given in this coherent article, you will be able to find its cause and take appropriate treatment to get rid of this unpleasant feeling.

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Author and specialist

Dr. Majid Zahrabi,


  • Board Certified Neurosurgeon
  • DHA certificate holder
  • Plantation certificate holder, France
  • Certified holder of Discogol, France
  • A pioneer in the non-surgical treatment of disc herniation in the Middle East and CIS countries.
  • Under the training and coaching of Professor Jacques Theron (founder of Discogel Therapy) since 2008
  • More than 400 successful cervical and 1300 lumbar discogel injections
  • Trained and certified several neurosurgeons and spine surgeons in the Middle East and CIS countries for the treatment of Discogel
  • Strong belief in patient-centered care planning and participation
  • Neurosurgeon and spine surgeon at Imam Khomeini and Amir Mazandarani Hospital, Sari, Iran, with more than 430 surgeries annually, 2000-2011
  • Neurosurgeon and spine surgeon at Farmaniyeh, Nikan and Yas Sepid Hospital, Tehran, Iran, with more than 400 surgeries annually, 2011-2012
  • Neurosurgeon at Iranian Hospital, Dubai, 2022-2023
  • Since 2015, he has been working as a reference doctor for the treatment of intervertebral disc herniation with Discogel and has trained many doctors of spine-related specialties in various countries of the Middle East and CIS in person/practically and online.



  • Individual training sessions under the direct supervision of Professor Jacques Theron in Discogel treatment, 2008-2020
  • Training sessions under the supervision of Professor Thierry Boye on spinal implants, 2007
  • Participation and presentation in several national and international medical and neuro-spinal conferences
  • Board certificate by Iran Neurosurgery Board, 2001
  • Neurosurgery assistant training course, Isfahan University of Medical Sciences, Isfahan, Iran, 1996-2001 (In 2001, he graduated from Isfahan University of Medical Sciences with the first rank in the country.
  • His thesis the titled:The Application of human amniotic membrane in repair of dura matter in dogs.” ( It was happening for the first time in the world. )
  • General medical education, Tabriz University of Medical Sciences, Tabriz, Iran, 1984-1993


Published books:

  • CT scan of the brain for doctors
  • Etiology and treatment of painful spine disorders
  • Atlas of diagnosis, prevention, and treatment of spine disorders
  • The most common mistakes in the treatment of spinal disorders
  • Reading brain CT scan in simple language (3rd place in the book of the year)
  • Treatment of head and spine injuries

Publications and articles:

  • Bacteriostatic and bactericidal effects of DISCOGEL® (https://www.researchgate.net/)
  • Muscle recovery, reduction of pain, and improvement of movement strategies in patients with lumbar discopathy after injection of Discogel.
  • The article on the initial results of the treatment of intervertebral disc herniation with discogel injection, which won the second-best poster rank at the Pan Arab International Congress of Interventional Radiology (March 14-16, 2015) and was accepted for presentation at the Chicago Pain Congress.
  • The use of human amniotic membrane in dura mater repair in dogs, a study for the first time in the world.



  • Annual Congress of Physiotherapists of Iran, 2019
  • Chicago International Pain Congress, 2019
  • Iran International Pain Management Congress, 2018
  • Annual Congress of Physiotherapists of Iran, 2018
  • Presentation of Discogel as an innovative solution for the treatment of spinal disc herniation in Armenia for orthopedic specialists and neurosurgeons, 2017
  • First Live Workshop and Seminar on Minimally Invasive Disc Therapy (DISCON), 2017
  • Presentation of Discogel as an innovative solution for the treatment of spinal disc herniation in Azerbaijan for orthopedic specialists and neurosurgeons, 2016
  • Seminar of Iranian official managers, 2016
  • Presentation of Discogel as an innovative solution for the treatment of spinal disc herniation in Tajikistan for orthopedic specialists and neurosurgeons, 2016
  • International Neurological Intervention Congress in Iran, 2014
  • Educational seminar for nurses on treatment approaches for head and spine trauma, 2014
  • Educational seminar for general practitioners on treatment approaches for head and spine trauma, 2014
  • Speech at the Retraining Seminar for General Practitioners and Specialists in Dubai (Discon) in 2017
  • Speech in the internal retraining courses of Irani Hospital, Dubai
  • Holding lecture sessions and practical workshops on the treatment of intervertebral disc herniation with discogel injection in Azerbaijan, Tajikistan, Ukraine, Oman, and Armenia during the years 2015 to 2021.
  • Giving a lecture and holding a practical workshop for neurosurgeons in Vietnam at Ho Chi Minh City University in 2023

Dr. Majid Zohrabi started treating his patients in Dubai in 2022 and continues his activities in private medical centers in the UAE.