Rash Under Armpit

Your armpit is a prime spot for irritation. You might not be able to see an armpit rash immediately, but the itch and inflammation can be intolerable sometimes.

Armpit rashes can be bumpy and red or flaky and white. Lots of things can cause underarm rashes, and also, numerous treatments can resolve them. Identifying the cause of the rash makes it simpler to discover relief.

Rush under armpit can be caused by:

  • deodorant usage, like Old Spice or other

  • skin problems described below
  • allergy reaction to specific food, drink or cloths
  • insect bite
  • body changes (pregnancy, illness)
  • etc.

Armpit rashes can last from a few hours to a few months. The majority of rashes can be easily treated with home remedies or non-prescription treatments. However, it’s essential to know what’s triggering your rash before taking steps to treat it and avoid future rashes

For instance, rashes caused by hot weather generally vanish quickly. Rashes caused by your lifestyle or skin conditions may last longer and might need specific treatments.

Types of armpit rashes

Atopic dermatitis

Also known as eczema, atopic dermatitis typically starts in youth. Eczema is most typical in the folds of the body, like the backs of your knees, the insides of your elbows, or in your armpits. It’s normally red, itchy, and can crust over.

Since of the extreme itch, eczema rashes can bleed after continuous scratching. In some cases, eczema rashes permeate clear fluid, according to iytmed.com. Many individuals with eczema experience flare-ups at certain times of the year. Otherwise, their skin may appear typical.

rash under armpit causes & remedy

Seborrheic dermatitis

Seborrheic dermatitis is skin inflammation caused partly by the overproduction of sebum, or skin oils. Unlike the dry spots of eczema, seborrheic dermatitis appears as oily spots of flakes or scales. The flakes may be white or yellow due to the excess oil.

Some infants experience a kind of seborrheic dermatitis called cradle cap. This condition normally appears on the scalp, ears, face, and armpits.

Contact dermatitis

Contact dermatitis occurs when you come into contact with an allergen or irritant.

Contact dermatitis under your arms can be caused by the fragrance in your deodorant or lotion. A brand-new laundry detergent or perhaps the material of your shirt can also cause contact dermatitis.

Candida albicans

Candida or candidiasis is basically a fungus or yeast infection. Yeast occurs most often on damp areas of skin, like the underarms. It can cause swelling, itching, scaling, and red rashes.

Yeast can worsen in hot weather, under tight clothes, or since of poor health. Unlike other underarm rashes, candida fungus rashes are best treated by an antifungal cream. Steroid creams can make fungal infections even worse.

Typical Treatment for Rash Under Armpit

Numerous of these conditions are caused or irritated by substances entering contact with your skin.

Discover the irritant
For contact dermatitis, determine the irritant and stop using it instantly. This might solve the rash entirely. This can likewise instantly affect flare-ups caused by eczema and seborrheic dermatitis.

Actions you can take
In addition to removing irritants, armpit rashes can be relieved by:

  • taking a warm (however not hot) bath with colloidal oatmeal
  • using over-the-counter anti-itch creams
  • lathering up with odorless moisturizers (when it comes to dry skin and eczema).
  • using cool compresses.

Do not scratch
Avoid scratching the irritated area. Scratching makes the skin vulnerable to infections and can turn a basic rash into a bigger problem. Taking a non-prescription nonsedating antihistamine during the day such as fexofenadine (Allegra) or loratadine (Claritin) and a sedating antihistamine at night when sleeping such as diphenhydramine (Benadryl) will aid with itching.

Stress can exacerbate some types of dermatitis, and relaxation strategies can help combat the rash. Plus, relaxation can make it much easier to resist scratching.

Rash Under Armpit Remedies

Home remedies

Numerous armpit rashes can quickly be treated with active ingredients you have at home.

Putting ice cubes versus the rash can assist with itching. Taking in more vitamin C in oranges, tomatoes, and even broccoli helps you combat against skin problems caused by infections. Cutting open a lemon and moving it across your armpit skin kills bacteria with citric acid. Using lemons this way also works as a diy antiperspirant.

Using lavender, coconut, or tea tree oils helps with irritation, inflammation, and fungal infections. Mix a small amount of lavender and coconut oil and use a cotton bud to spread out the mix on your rash to relieve inflammation. Use tea tree oil combined with water on a cotton swab to help kill fungus and stop extreme itchiness.

Non-prescription remedies

Hydrocortisone cream and calamine lotion are both effective home treatments for an armpit rash that causes irritation and inflammation.

A candida rash or other fungal rash needs a various technique. Try over-the-counter antifungal treatments that contain clotrimazole, nystatin, or ketoconazole. Any creams or creams that have these ingredients can help with a fungal armpit rash. Nevertheless, hydrocortisone creams (steroid creams) will worsen fungal rashes.

Using antichafing powders can also help reduce the discomfort caused by an armpit rash. These powders reduce the pain and irritation caused by skin rubbing against itself in your armpit. They may not get rid of the rash entirely, but they can help make the rash more bearable up until you can attempt other treatments.

Complications of armpit rashes

Leaving an armpit rash unattended for too long can cause serious bacterial and fungal infections. These infections can cause fluid-filled red bumps called pustules to form on the skin. Pustules are itchy and inflamed, and scratching them frequently can leave scars. Other symptoms of a bacterial infection are warmth, tenderness, swelling, and soreness.

If there are any underlying causes of your rash, other complications can take place. Speak to your doctor about your rash if it won’t vanish with treatments. A skin biopsy or prescription treatment may be needed.


Practicing excellent health is the most essential way to prevent armpit rashes. Shower routinely and air-dry rather of using a towel, if possible.

If you discover that specific antiperspirants or other skin products cause a rash, stop using them right away. Your rashes might not appear to have a specific cause. In this case, see an allergist to discover if any irritants in your house or other environments may be causing your rash.

Using tight clothing made from synthetic material can cause armpit rashes since sweat can not get away from the armpit. Use loose cotton clothing so that your armpit can breathe and sweat doesn’t pool on your sensitive armpit skin.

In some cases, your armpit rash might merely be a heat rash. When the weather is hot and wet, use talcum powder in your armpit to stop a heat rash from happening. During heat, stay in cool, air-conditioned locations. Keep the area where you sleep cool with a/c or a fan.

If your rash does not go away with over the counter or home remedies, ask your doctor about prescription-strength options.



Updated: August 5, 2016 — 5:03 pm

The Author

Reyus Mammadli

Healthy lifestyle advisor. Bachelor Degree of Medical Equipment and Electronics.
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