How to Get Rid of Groin Sweat Rash Quickly?

groin sweat rash
Medically reviewed by Dr. Mandy Liedeman

Key Takeaways

  1. Sweat rash, also known as heat rash or miliaria, occurs when sweat ducts become clogged, leading to painful, itchy, and inflamed skin.
  2. Treatment approaches for sweat rash vary depending on the type, ranging from general hygiene and relief measures for Miliaria crystallina to reducing inflammation with cool compresses, corticosteroids, and antibiotics for Miliaria rubra and miliaria profunda.
  3. Prevention includes avoiding excessive heat and humidity, wearing breathable clothing, and practicing good after-sweat management, while quick relief measures involve exfoliation, maintaining hydration, and using recommended topical treatments.


We look forward to refreshing our bodies in the sun after a long winter. However, our bodies have certain set temperatures to operate and function. Therefore, too hot or cold can cause fluctuations in that set temperature. It is pertinent to keep ourselves safe in weather extremes to avoid that case. Our bodies do half of the work in the form of the in-built cooling system in the scorching heat, i.e., sweat. However, like our external cooling systems, it is also prone to overheating when overwhelmed. The overwhelming factors in its case include bacteria, salts, and dead skin clogging the groin region’s sweat ducts. This blockage thus causes inflammation, redness, itching, and everything that contributes to the outcome, i.e., sweat rash or prickly heat rash. Now that we know the backstage story let’s get into the onstage details of its causes, symptoms, and treatment. 

Who is Affected? 

Miliaria frequently affects newborn babies and people suffering from some skin conditions. The number of newborns affected by sweat rash ranges from 4.5% to 9%. Moreover, adults not acclimatized to warm temperatures can also be affected. However, the effect is mild, i.e., miliaria crystallina and miliaria rubra. These types are more common in adults and newborns. The least frequent type of sweat rash in groin region is miliaria profunda, and only those continuously exposed to hot environments with excessive sweating contract it, like military persons. 

What is Sweat Rash?

Sweat rash is not new either to our bodies or to our senses. It has been a headache for a long time, and people have called it by different names in different regions over the centuries, from Miliaria due to its resemblance with millet grains to sudationes, hidroa, essera, and sudamina. Amazing right? No matter the names, the culprit is one. Heat rash on the groin can affect individuals regardless of age group. It can also occur due to different skin conditions; thus, the frequency and severity can vary depending on the skin condition. 

A sweat rash or heat rash occurs due to the clogging of sweat ducts and can be painful, itchy, and inflamed. It usually appears as a raised transparent boil on the skin, especially in areas where sweat remains trapped under the skin for a long time, like near the groin, neck, underarms, etc. Excessive sweating can worsen the rashes and increase itching, inflammation, and burning sensation. 

Suffering from groin sweat rash? Consult our doctor for the best treatment

What Does Groin Sweat Rash Look Like? 

Heat rash, or miliaria, occurs due to clogging of sweat ducts. Different types of sweat rash affect the groin region based on the severity of the rash. Need help determining which sweat rash you have? Let’s match the symptoms.

Miliaria Crystallina

This type of heat rash affects the top layers of the skin. It appears as small, clear blisters on the surface or just below the outermost layer of the skin. These blisters form due to the blockage of the sweat ducts in the upper layers of the groin skin. In some cases, these vesicles may contain neutrophils, a type of white blood cell showing signs of inflammation. Its main symptoms include:

  • Fluid-filled vesicles
  • No itching or pain
  • Bumps go away once the skin cools down

Miliaria Rubra

Miliaria rubra is less mild than miliaria crystallina and affects the inner layers of the skin. It includes redness, inflammation, and the formation of vesicles in the epidermis (the outermost layer of the skin). When the sweat duct vesicles are inflamed, they accumulate sweat; thus, sweat rashes happen. Its main symptoms include:

  • A cluster of fluid-filled bumps
  • Intense itching
  • Redness and inflammation

Miliaria Profunda

Miliaria profunda is similar to miliaria rubra, but it affects the deeper layers of the skin in the groin region, specifically the dermis. It includes intradermal spongiosis of the sweat ducts, which means fluid accumulates within the skin cells in the dermis. This type of heat rash is often associated with the rupture of sweat ducts and a more significant inflammatory response. Its main symptoms include:

  • Firm bumps that look like goosebumps
  • Itching and pain
  • Inflammation can cause them to break out as well

Read More: Why Does My Sweat Smell Like Ammonia?

How to Treat a Heat Rash in the Groin Area?

First, let’s see the risk factors to understand the treatment options better. The potential risk factors include hot and sweaty conditions, wearing tight or non-breathable underwear clothing, prolonged bed rest, and fever or illnesses that cause excessive sweating. Therefore, you should keep the groin area dry and clean. If you already suffer from heat rash in the groin region, a topical cream, Ketoconazole, is beneficial for fighting any fungal infections accompanying sweat rash in the groin area. Moreover, different types of sweat rashes are treated differently. 

Miliaria Crystallina

It is usually self-limited and resolves within 24 hours. Therefore, no specific treatment is required. General hygiene can help improve the overall condition. 

Miliaria Rubra

Miliaria rubra occurs when bacterial growth starts in the sweat ducts clogged by dirt or bacteria like Staphylococcus epidermidis due to trapped moisture. Therefore, the focus of its treatment is on reducing inflammation. The possible treatment options look like this: 

  • Relieving symptoms with cool compresses or calamine lotion can help reduce inflammation. 
  • Mild to mid-potency corticosteroids (e.g., triamcinolone 0.1% cream) can be applied for one to two weeks. 
  • If there’s a bacterial infection (miliaria pustulosa), topical antibiotics like clindamycin may be prescribed.
  • Another antibiotic used is Kanamycin, a derivative of the Streptomyces kanamyceticus.
  • Kanamycin sulfate is effective in a 2.0-7.8/ig concentration per milliliter. 

Miliaria Profunda

Miliaria profunda rarely occurs in cases where initial rashes are neither treated nor prevention steps are taken. Some dermatologists recommend a combination of lanolin and isotretinoin. However, using anhydrous lanolin alongside isotretinoin made it challenging to evaluate the specific impact of isotretinoin alone. Here are other options for its treatment:

  • Avoiding Excess Heat: The recurrent episodes of Miliaria rubra leads to Miliaria Profunda. Therefore, avoiding excessive heat can lead to a cure, but achieving it can be challenging.
  • Topical Anhydrous Lanolin: Anhydrous lanolin applied topically has demonstrated beneficial effects in managing miliaria profunda.
  • Regular Showering: Regular showering helps remove salt and bacteria from the skin, which can be beneficial in managing the condition.
  • Antibiotics: Topical and systemic antibiotics have been effective primarily as preventive measures to prevent the onset of secondary infections.
  • Retinoids: Retinoids may offer an alternative treatment option for miliaria profunda.They work by reducing the clogging of sweat ducts and potentially providing anti-inflammatory effects. Vitamin A, a type of retinoid, has shown a beneficial impact in at least one patient.
Is your rash a fungal or bacterial infection? Consult with our dermatologist

How to Get Rid of Groin Sweat or Heat Rash Quickly?

Although, the sweat rash in the groin region is benign and doesn’t spread to other body parts, as Dr. Alyx from the Department of Dermatology and Cutaneous Surgery said. However, it is best to timely manage the symptoms by employing the following practices: 

  • Stay in cooler environments and avoid excessive sweating
  • Wear loose, breathable clothes that allow your skin to breathe
  • Unclog your pores by exfoliating dead skin cells and dirt
  • Remove any objects that may block your skin, such as bandages or patches
  • Treat any febrile illnesses promptly
  • Stay hydrated to keep the fluid content sufficient in hot and humid environments
  • Moreover, your doctor may recommend antihistamine tablets or topical ointments like calamine lotion or hydrocortisone cream.
  • Take a colloidal oatmeal bath by soaking oats to ease the itch and irritation.

According to Dr. Sonal from Case Western Reserve University School of Medicine, following the appropriate treatment regimen and cooling down your skin as soon as possible, the symptoms should resolve within a day. 

How to Prevent Heat or Sweat Rash?

Prevention is better than cure. So, prepare for the summers to avoid getting sick and enjoy the sun with all its zeal. Therefore, to prevent sweat rash, you need to avoid sweaty situations. If not altogether, minimizing the exposure and opting for healthy practices for after-sweat management can make a big difference. The following can help in prevention practices: 

  • Avoid prolonged exposure to hot and humid environments, leading to excessive sweating.
  • Avoid strenuous physical activity or workouts during the day when temperatures are high.
  • Use fans and air conditioners, and run through cold showers at least twice daily.
  • Avoid skin-suffocating fabrics and layers of clothing that can trap moisture.
  • Stay hydrated with plenty of water, hydrating fruits, and liquids


How do I get rid of a rash between my groin and thigh?

To get rid of the rash between your groin and thigh, you can employ the following practices:
. Apply topical antifungal cream in case of fungal infection 
. Use natural antibacterial oils like tee tree oil
. A cold compress can ease itch and redness
. Keep the area cool and dry. 

Is jock itch the same as sweat rash?

A fungus family causes Jock itch called dermatophytes, while sweat rash is caused by candida. Therefore, both are similar by caused by different fungi. Also, the fungus is not always the culprit of sweat rash, but other reasons contribute, like hot temperatures, bacteria in clogged pores, etc.

What cream is best for groin rash?

Depending upon the causal agent, your dermatologist will recommend antifungal creams like Ketoconazole, miconazole, or oral antibiotics. 

Will Neosporin help a groin rash?

If a fungus causes a groin rash, you cannot apply Neosporin unless your doctor advises. Additionally, Neosporin is a topical antibiotic only used in case of inflammation caused by bacterial infection.

What does fungal sweat rash look like?

A fungal rash resembles a red, flaky patch accompanying itching and burning. A fungal rash occurs due to a jock itch, ringworm, athlete’s foot, or candida infection.

Your Doctors Online uses high-quality and trustworthy sources to ensure content accuracy and reliability. We rely on peer-reviewed studies, academic research institutions and medical associations to provide up-to-date and evidence-based information to the users.

  • Laliberte, Richard. “Problem Solved: Heat Rash.” Prevention, vol. 72, no. 8, Aug. 2020, pp. 44+. Gale Academic OneFile, Accessed 4 July 2023.
  • LYONS, ROBERT E., ROBERT LEVINE, and DAVID AULD. “Miliaria rubra: a manifestation of staphylococcal disease.” Archives of Dermatology 86.3 (1962): 282-286.
  • Kirk, John F., et al. “Miliaria profunda.” Journal of the American Academy of Dermatology 35.5 (1996): 854-856.
  • Renbourn, E. T. “The history of sweat and prickly heat, 19th–20th century.” Journal of Investigative Dermatology 30.5 (1958): 249-259.
  • Guerra, Karla C., Alicia Toncar, and Karthik Krishnamurthy. “Miliaria.” (2019).
  • Eshaqi, Fatema J., et al. “An unusual presentation of heat rash: bullous miliaria in a middle-aged woman.” Cureus 14.5 (2022).

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