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What is intertrigo?Intertrigo is a rash that usually affects the folds of the skin, where the skin rubs together or where it is often moist. This rubbing can cause a breakdown in the top layers of the skin, causing inflammation and a rash. The breakdown of skin makes it easier for bacteria or fungus to develop in this area. It can make the rash worse. Intertrigo is most common in people who are overweight or who have diabetes. People who have splints, braces, or artificial limbs are also more likely to develop this rash. Symptoms of intertrigo
Symptoms of intertrigo include a red or reddish-brown rash that can appear anywhere skin rubs together or traps wetness. This rash may burn or itch. The most common areas include:
Intertrigo can also affect the skin between the buttocks. The affected skin will often be very raw and may itch or ooze. In severe cases, intertrigo may cause a foul odor, and the skin may crack and bleed. What causes intertrigo?Skin folds sitting together and rubbing together causes intertrigo. This skin-on-skin friction creates a warm, moist environment. This environment invites an overgrowth of yeast, fungus, and bacteria. Intertrigo is not contagious. You cannot catch it from or pass it to another person. How is intertrigo diagnosed?The best way to know for sure is to ask your doctor. Your doctor will be able to tell if you have intertrigo by looking at your rash. No special tests are needed but your doctor may take a sample to determine what type of bacteria or fungus may be present. Can intertrigo be prevented or avoided?You can help prevent intertrigo by doing these things:
Intertrigo treatmentFor mild cases, your doctor will tell you to keep the affected area of your skin dry and exposed to air. Your doctor may also want to prescribe a topical steroid cream. For certain cases, your doctor may prescribe an antibiotic or antifungal cream. There are also antifungal powders that may help dry the skin. Talk to your doctor about which treatment is right for you. Living with intertrigoIntertrigo may come and go. If you know that you are predisposed to getting intertrigo, take precautions. Before physical activity, treat the area with deodorant or with petroleum jelly. Do what you can to keep skin folds dry. Questions to ask your doctor
Resources Copyright © American Academy of Family Physicians This information provides a general overview and may not apply to everyone. Talk to your family doctor to find out if this information applies to you and to get more information on this subject. Author: Hon A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand, 1998. Revised and updated August 2015. Updated by Janet Dennis, November 2018. Technical Editor: Mary Elaine Luther, Medical Student, Ross University, Barbados. DermNet Editor in Chief: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand. Copy edited by Gus Mitchell. January 2020. What is intertrigo?Intertrigo describes a rash in the flexures, such as behind the ears, in the folds of the neck, under the arms, under a protruding abdomen, in the groin, between the buttocks, in the finger webs, or in the toe spaces. Although intertrigo can affect only one skin fold, intertrigo commonly involves multiple sites. Intertrigo is a sign of inflammation or infection. Who gets intertrigo?Intertrigo can affect males or females of any age. Intertrigo is particularly common in people who are overweight or obese (see metabolic syndrome). Other contributing factors are:
In infants, napkin dermatitis is a type of intertrigo that primarily occurs due to skin exposure to sweat, urine, and faeces in the diaper area. Toe-web intertrigo is associated with closed-toe or tight-fitting shoes. Lymphoedema is also a cause for toe-web intertrigo. What are the clinical features of intertrigo?Intertrigo can be acute (recent onset), relapsing (recurrent), or chronic (present for more than six weeks). The exact appearance and behaviour depend on the underlying cause(s). The skin affected by intertrigo is inflamed, reddened, and uncomfortable. The affected skin can become moist and macerated, leading to fissuring (cracks) and peeling. Intertrigo with secondary bacterial infection (eg, pseudomonas) can cause a foul odour. What causes intertrigo?Intertrigo is due to genetic and environmental factors.
The microbiome (microorganisms normally resident on the skin) on flexural skin includes Corynebacterium, other bacteria, and yeasts. Microbiome overgrowth in warm moist environments can cause intertrigo. Intertrigo is classified into infectious and inflammatory origins, but they often overlap.
Infections causing intertrigoThrush: Candida albicans
Candida albicansErythrasma: Corynebacterium minutissimum
ErythrasmaTinea: Trichophyton rubrum + T. interdigitale
Tinea crurisImpetigo: Staphylococcus aureus and Streptococcus pyogenes
ImpetigoBoils: Staphylococcus aureus
Boil
Folliculitis: Staphylococcus aureus
FolliculitisSkin inflammations causing intertrigoFlexural psoriasis
Flexural psoriasisSeborrhoeic dermatitis
Seborrhoeic dermatitisAtopic dermatitis
Atopic dermatitisContact irritant dermatitis
Irritants include:
Irritant contact dermatitisContact allergic dermatitis
Allergic contact dermatitis
Hidradenitis suppurativa
Hidradenitis suppurativaHailey-Hailey disease
Hailey-Hailey diseaseGranular parakeratosis
Granular parakeratosisFox-Fordyce disease
Fox-Fordyce diseaseToe-web intertrigo
Toe-web intertrigoWhat investigations should be done?Investigations may be necessary to determine the cause of intertrigo.
What is the treatment for intertrigo?
How do I get rid of a rash between my groin and thigh?If you have a rash:. Apply cool compresses to soothe irritation and reduce itching. Oatmeal baths help, too.. Use OTC hydrocortisone creams or antihistamines (with your doctor's approval) to help relieve itching.. Avoid anything you think may be irritating your skin.. What does a fungal infection look like in the groin?Red, slightly scaly skin then develops in the groin, usually with a definite edge or border. Both sides are commonly affected. The rash often spreads a short way down the inside of both thighs.
What does a rash on your inner thighs mean?Summary. A rash on the inner thigh or groin area is an uncomfortable experience. Possible causes include eczema, contact dermatitis, chafing, heat rash, hidradenitis suppurativa, jock itch, pityriasis rosea, razor burn, swimmer's itch, and STIs. The symptoms and treatment options vary by cause.
How do you treat a rash in the groin area?Treatment. Apply an over-the-counter (OTC) antifungal cream, powder, or spray to the affected area.. Wash the affected area thoroughly with soap and warm water.. Dry the affected area thoroughly after bathing and exercise.. Change clothes and undergarments every day.. Wear loose cotton clothing.. |
Rash in crease of leg and groin
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