Do you struggle with groin sweat? If you do, it’s unfortunate, but you aren’t alone! Here are the things that can cause groin sweating and what you can do about it.

Possible Causes of Groin Sweat

One of the most common causes of groin sweat is primary focal hyperhidrosis. When a person has this condition it often impacts specific areas - like the groin. According to an article in the British Medical Journal, about 3% of the population is suspected to have hyperhidrosis, but only 9.3% of that population struggles with excessive sweating of the groin.[1] That means that not only is groin sweating hard to deal with, but that it is not particularly well studied.

Compared to other parts of the body impacted by primary focal hyperhidrosis, the groin has received very little attention. This is most likely due to the fact that there are more people with axillary, palmar and plantar hyperhidrosis, but that should not minimize the issue for those who suffer from sweating in the inguinal region[2].

The most common cause of excessive groin sweating is primary focal hyperhidrosis, but groin sweat can also be a symptom of secondary generalized hyperhidrosis, or even compensatory hyperhidrosis. Secondary hyperhidrosis can occur suddenly, and typically causes sweating to occur all over the body, and this can include the groin region. However, sweating is usually not uniformly focused in that one area. So, while secondary hyperhidrosis may cause the groin to sweat more, it would also equally impact other areas of the body.

If you believe your groin sweating is caused by secondary hyperhidrosis then it is important that youmanage your hyperhidrosis with a dermatologist. Secondary hyperhidrosis can be caused by diseases and conditions that may be dangerous if left untreated.[2] Certain common medications can also cause secondary hyperhidrosis to occur.

Compensatory sweating can also could also cause groin sweating to arise. This type of hyperhidrosis is actually a side effect of endoscopic thoracic surgery, which ironically, is used to treat palmar and axillary hyperhidrosis. A large percentage of those who undergo surgery develop this condition and it can often include groin sweat.[2]

Factors that Make Groin Sweat Worse

When groin sweating is caused by primary focal hyperhidrosis there is no exact cause that can be found, but certain factors can make sweating worse. One of the most important factors is stress sweating. Stress will cause even a healthy person to sweat due to natural changes that occur in the autonomic nervous system, but these effects can be exacerbated in those with hyperhidrosis. Stress sweating is often associated with groin sweat, specifically because of the type of sweat glands that are located there. These glands are called apocrine glands and they produce a different type of sweat than eccrine glands.[3]

There are two types of sweat glands: eccrine and apocrine:

Apocrine glands are located within hair follicles and secrete sweat into hair canals. The sweat produced by apocrine glands is thick and yellowish. It often has a displeasing smell because it has a high concentration of proteins and fatty acids, which bacteria from the skin quickly break down into foul smelling acids. These glands are innervated by the same systems that regulate stress. This means they can be activated by emotional responses.[4] This is why groin sweating and stress are so closely related.

Treatments and Products Available to Stop Groin Sweat

One of the simplest means of controlling groin sweat is to keep the area as clean and dry as possible. This can be difficult and time consuming for hyperhidrosis sufferers, but it can prevent skin breakdown and reduce odor.[2] One option that can be used to keep groin skin dry is the use of absorbent underwear. These are available at most large clothing retailers and can give sufferers a sense of security that sweat will not show through clothing and it will keep moisture away from sensitive skin. Using absorbent underwear can also keep the groin area more comfortable and reduce irritation.


Antiperspirants can be used to control groin sweat! There are many antiperspirants available on the market. These differ from deodorant in that they contain an active ingredient that can reduce sweat production. Topical aluminum chloride is present in many of the over-the-counter topical treatments for hyperhidrosis, but it can be irritating in such a sensitive area.

A new formulation of 15% aluminum chloride in salicylic acid gel has been found to reduce irritation and was found to provide between good and excellent results in 100% of patients with groin sweating.[5] Look for products specifically made for use in sensitive areas. Many antiperspirants can be used in the treatment of craniofacial hyperhidrosis which also involves areas with sensitive skin. If regular strength antiperspirants are not enough, then try using clinical strength over-the-counter antiperspirants. There are prescription antiperspirants you can get from your doctor, but often a clinical strength over-the-counter antiperspirant is just as good. Talk to your doctor if you are struggling to find an antiperspirant that works for you.[2]


Botox injections are an option for patients who do not receive enough symptom relief from topical treatments. There have not been many studies done on the efficacy of botox in the treatment of groin sweat, but it is a viable solution. Before botox can be administered, a doctor will perform a starch-iodine test to determine where sweating is the worst. After this, the doctor will mark the areas that need to be treated and begin giving the botox injections. Patients can expect relief from symptoms to last for three to six months before another session is needed. There have been few recorded side effects, but some reports have mentioned temporary edema (swelling) and small hematoma (clotted blood under skin) formation near the injections sites. Botox can provide patients with a relatively reliable and safe method to stop groin sweating without having to worry about daily or weekly treatments.[2]

Oral Medications

Depending on the severity of a patient’s sweating a doctor may choose to put them on an oral medication for hyperhidrosis. The most common medications doctors use are called anticholinergics and they can reduce the amount of secretions the body produces. Glycopyrrolate and oxybutynin are used to treat sweating in most cases. Both are anticholinergics most suited for the treatment of hyperhidrosis. These medications may also be used in conjunction with another localized treatment to keep sweating to a minimum.

Less frequently, doctors may use other types of medications to manage sweating. These medications include beta blockers, clonidine, benzodiazepines, and antidepressants. When excessive sweating is exacerbated by chronic anxiety a doctor will often use an antidepressant to treat the psychological symptoms. Alternatively, benzodiazepines and beta blockers can minimize the physical symptoms of anxiety and stress which also reduces sweat production.[2]

Groin sweat makes life hard, so don’t stop looking for a solution until you find what works! There are many ways to control sweat so that you can feel comfortable in your own skin - never give up on that.

  1. Benson, R. A., Palin, R., Holt, P. J., & Loftus, I. M. (2013). Diagnosis and management of hyperhidrosis. British Medical Journal (Online), 347. doi:10.1136/bmj.f6800. Retrieved September 5, 2018, from
  2. Pariser, D. M. (2014). Hyperhidrosis (4th ed., Vol. 32). Amsterdam: Elsevier Pub. Co., 2014. Retrieved from
  3. Harker, M. (2013). Psychological Sweating: A Systematic Review Focused on Aetiology and Cutaneous Response. . Skin Pharmacology and Physiology, 26(2), 92-100. doi:10.1159/000346930. Retrieved September 5, 2018,from
  4. Huddle, J. R. (2014). Hyperhidrosis: Causes, Treatment Options and Outcomes. New York, NY: Nova Science. Retrieved from
  5. Walling, H., & Swick, B. L. (2011). Treatment Options for Hyperhidrosis. American Journal of Clinical Dermatology, 12(5), 285-295. Retrieved September 5, 2018, from