An armpit rash can be uncomfortable or even painful.
Often, the cause is mysterious but no cause for concern.
But sometimes, an armpit rash is severe enough to require a trip to the doctor.
Learn what causes armpit rash, how its diagnosed, and treatment options.
Where Does an Armpit Rash Typically Develop?
Armpit rash can develop in the armpits themselves or in the skin around the underarm area.
It can be wet or dry, and it may ooze fluids.
These factors set the stage for a range of possible rashes.
What Causes an Armpit Rash?
Also known as chafing, the friction created by skin rubbing on skin or clothing can cause irritation.
Contact Dermatitis
There are two types of contact dermatitis: irritant contact dermatitis and allergic contact dermatitis.
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Hidradenitis Suppurativa
Hidradenitis suppurativais a skin condition that features painful lumps in your skin.
Eczemaloves skin folds, and armpits are one spot we might see it, says Durham.
Contact Dermatitis
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3.
Fungal Infection
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4.
Folliculitis
6.
Atopic Dermatitis (Eczema)
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7.
Inverse Psoriasis
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Is an Armpit Rash Serious?
Many underarm rashes are harmless (though often uncomfortable).
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Do I Need a Diagnosis for Armpit Rash?
An armpit rash is pretty unmistakable.
These include instances where youve identified the cause, such as chafing or allergies.
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How to Treat an Armpit Rash
Many armpit rashes can be treated at home.
Are There Complications Related to Armpit Rash?
First, wash with an antibacterial soap and gently exfoliate with a body brush, recommends Durham.
Use the brush one to three times per week, depending on sweat and activity level.
The Takeaway
Mohiba Tareen, MD, is a nationally acclaimed board-certified dermatologist.
She practices medical, surgical, and cosmetic dermatology at her Minnesota medical practice, Tareen Dermatology.
Cosmetically, Tareen believes in subtle and natural aesthetic enhancements.
She was previously an assistant editor atPreventionwhere she wrote monthly science-based beauty news items and feature stories.
Skin Conditions
What Is Chafing?
Symptoms, Causes, Diagnosis, Treatment, and Prevention