Why Do My Armpits Itch? 13 Causes, Prevention, And Effective Home Remedies For Itchy Armpits

Why Do My Armpits Itch? Itchy Armpits

You follow a good daily routine and lifestyle, you eat healthy foods, also, maintain proper health hygiene but after that for no reason, your armpits itch. If this is the case, We are here to help you.

If you are confused about your itchy armpits. In this article let’s figure out why do your armpits itch?

What are its most prevalent causes and what to do to prevent itchy armpits, also, its available treatment options?

Why Do My Armpits Itch?

Your armpits are among the most delicate parts of the body. It is one of those areas that are usually hot and humid which causes sweating. Body hairs are also present there.

The presence of heat, moisture, and body hair provides the perfect conditions for bacteria and fungus to thrive, making your armpits especially prone to infections and itching.

Usually, Itchy armpits are the result of something as simple as an allergy from using a product like deodorant or shaving cream.

Hair follicle disease (folliculitis) and fungal or yeast overgrowth can also cause underarm infections and irritation, which can lead to itching in the armpits.

The Most Common Causes Of Itchy Armpits

Why Do My Armpits Itch? Itchy Armpits

Itchy armpits can be caused by a number of reasons, from regular lifestyle habits to various medical conditions.

Itch in armpits is usually caused by irritation, infection, or skin disease such as eczema or dermatitis. But in rare circumstances, itchy armpits can be a sign of cancer.

Because of itchy armpits, you may feel compelled to scratch your skin all the time, but it will only aggravate the situation.

Understanding the root cause of itching will help you prevent it. Some of the most common causes of Itchy armpits are listed below.

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Medical Conditions

There are various medical conditions, in which you can infect with itchy armpits, Some of the most common are listed below:-


Eczema refers to a group of skin conditions that cause inflammation and irritation. Itching, redness, and swelling are the most common symptoms.

These conditions can arise anywhere on the body. For some people, eczema can affect the skin in different ways.

Other skin symptoms that may occur include:

  • Dryness
  • Swelling
  • Sensitivity
  • Oozing or crusting
  • Darkened patches
  • Rough, leathery, or scaly patches

Although there is no cure for eczema, there are several treatment options that can help reduce symptoms and prevent the disease from progressing.

People should visit a doctor or dermatologist to get a diagnosis and discuss the most appropriate treatment options.

Contact Dermatitis

Contact dermatitis occurs when the skin becomes irritated and inflamed as a result of exposure to an allergen or irritant. Contact dermatitis is classified as either allergic or irritant.

When you have allergic contact dermatitis, your skin becomes red and itchy from exposure to a chemical to which you are allergic.

It could be metal from the razor Or the fragrance of-

  • Deodorants
  • Soaps
  • Body wash
  • Fabric softeners
  • Detergent

Irritant contact dermatitis can result in armpits becoming red and irritated because something irritates the skin.

  • Sweat,
  • A rubber band from clothing,
  • Products containing too much alcohol for sensitive skin

These are all examples of armpit irritants.

It is critical to try and identify what is causing this reaction so as to avoid using that product or substance again. A patch test may be done by the doctor to identify the suspect.

During this technique, a variety of allergens are applied to your back, and you are watched for a reaction that signals which material or substance you are allergic to.

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Folliculitis is a medical condition of inflammation of the hair follicles. This occurs when bacteria (often Staphylococcus aureus) enter the hair follicles, which can cause irritation and pus.

The bacteria can enter the body through exposed skin and can survive even on an old razor. This can cause intense itching and/or discomfort.

Usually, folliculitis gets better on its own. In more severe cases, your doctor may prescribe topical or oral antibiotics.

If you have folliculitis, be sure to throw away your razor blade. Changing your razor blade regularly can also help prevent folliculitis.


Hyperhidrosis is a medical condition in which the sweat glands secrete excessive amounts of sweat.

Sweat glands throughout the body, as well as in specific areas, such as the armpits, can be affected by this condition.

Although hyperhidrosis can be embarrassing and uncomfortable, it is mostly a harmless condition.

However, on the other hand, hyperhidrosis increases the risk of fungal infections, which can lead to itchy underarms.

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Intertrigo is a rash that originates in the folds of the skin. Intertrigo develops when heat and moisture become trapped in skin folds, allowing yeast, fungus, or bacteria to grow.

These rashes are usually red or brown in color and may cause itching, burning, or irritation.

Intertrigo usually develops in the armpit but It can also happen in the following areas:

  • In the crease of the neck
  • Beneath the breasts
  • In the groin
  • Beneath the belly button
  • Between the toes

A doctor may prescribe a topical steroid cream to relieve itching, burning, and discomfort. In severe cases, they may prescribe an antibiotic or antifungal cream to clear up the infection.


Miliaria often referred to as a heat rash, is a type of skin irritation that occurs in hot, humid conditions.

Heat rash occurs when sweat glands become clogged and sweat cannot be produced. Water gets trapped in the glands, causing them to swell. Which causes an unpleasant itching or painful prickling.

Miliaria or heat rash typically manifests itself as a cluster of tiny pimples or blisters. These clusters are more frequent in the armpits and other places where the skin touches the skin.


Candida is a yeast that thrives in warm, moist conditions and places such as armpits. You may be at higher risk of this skin infection if you are overweight, have diabetes, or have recently used antibiotics.

A yeast infection is characterized by a bright red rash surrounded by small red bumps (satellitosis) on the skin. It is very itchy and can give off a foul odor.

Antifungal medications are used to treat yeast infections. They can be taken orally (fluconazole) or applied topically (clotrimazole or ketoconazole).

If you have diabetes, controlling your blood sugar levels will help prevent yeast infections from recurring. So keep an eye on your blood sugar levels.

Tinea corporis

Tinea corporis, commonly known as ringworm, is caused by a dermatophyte, which is a type of fungus that invades the skin.

Ringworm can be spread by touching the fungus on another person or infected items such as towels or bed linens.

Dogs and cats can carry it and pass it on to people. The fungus produces a red or pink ring-like rash with a scale around the edge of the ring.

Ringworm is treated with terbinafine, which is a topical antifungal medication that you apply to your skin. Oral terbinafine may be needed to treat severe cases.

If you have recurring infections, check for fungus in your pet. Because fungus can thrive on razor blades, throw away the used razors.

You should not share your personal hygiene items with others and keep them disinfected.

General Conditions

Itchy armpits can occur because of many general conditions, We have compiled a list of the most common among them:-


Regular soap contains harsh chemicals and artificial perfumes, both of which can make the underarm area dry and flaky. Itching and rashes may occur in some cases.

Using a pH-balanced soap or shower gel with moderate and moisturizing components can help alleviate this condition.


While spraying deodorant before going out can help you stay fresh and odor-free for a long time, it is also a major cause of armpit rashes.

If your underarms are burning and itchy especially after using deodorant, it indicates that you may be allergic to that product or any of its ingredients.

Try switching to a new brand or different types of deodorants; Because alcohol-containing deodorants can be harsh on the skin and cause itching and irritation.

That’s why It is advised that you use an alcohol-free deodorant to keep itchy underarms at bay.


Using a razor to remove underarm hair appears to be the most convenient way. Razors, on the other hand, can cause irritation and armpit rashes.

Especially if you’re using an old razor, you have sensitive skin, or haven’t thoroughly cleaned it before shaving.

Dry shaving can also irritate the underarm area and cause itching. As a result, if possible, avoid using razors, and if necessary, apply conditioner to the area before shaving. Also, don’t forget to moisturize afterward.


Internal issues can sometimes trigger a physical reaction. When you are worried or anxious, your nervous system goes awry, which can lead to itching in any area of your body.

Since the underarm area is sensitive and delicate, a rash can occur in your armpits.

Poor Hygiene

Many different bacteria live in the armpits. Poor hygiene habits can promote the buildup of sweat and grime on the skin, allowing germs to grow.

Excess bacteria create odor and a greater risk of infection, which can result in irritation, itching, and pain. To avoid itching in the armpits, it is important to keep the underarms clean and fresh.

In addition to showering every day, it’s also important to change your clothes and undergarments, especially after a workout.

Keeping sweaty clothes on your body for a long time can cause itching in the underarms as well as a rash in the armpits.

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When To Call A Doctor

Why Do My Armpits Itch?

The most common causes of itchy armpits can be easily treated at home. However, if at-home treatment doesn’t work for you, schedule an appointment with your health care practitioner.

Also, contact your doctor if you are experiencing or concerned about any of the following:-

  • A bacterial or fungal infection
  • Skin conditions such as eczema or dermatitis
  • Persistent heat rash
  • Worsening rash
  • Rashes that are spreading to the rest of the body
  • Itch interfering with sleep
  • Swollen glands (lymph nodes) in the armpits

The doctor will examine the underarm and can prescribe an appropriate treatment option accordingly.

In rare cases, doctors may refer the patient to a dermatologist for specialized diagnosis and care.

Tips To Prevent Itchy Armpits

Most causes of itchy armpits are easily preventable with a few changes and precautions.

The following tips may help prevent itchy armpits caused by bacterial and fungal infections:-

  • Keep skin cool, fresh, and dry
  • Bathing after exercise is a must
  • Dry the underarm skin properly after bathing or swimming
  • Wear a sleeveless vest or loose-fitting clothing
  • Wear clothing that is made of breathable and absorbent fabrics, such as cotton

The following tips may help ease the symptoms of itchy armpits caused by eczema:-

  • Avoid shaving with a dry razor
  • Avoid soaps and deodorants that contain harsh chemicals
  • Pat the skin gently to dry
  • Avoid scented fabric softeners
  • Use fabric detergent for babies and people with sensitive skin

Home Remedies To Treat Itchy Armpits

Why Do My Armpits Itch? Itchy Armpits

Often home remedies are the first line of defense against any skin or health problem. Because it is safe, easy, and affordable.

Moreover, most skin diseases can be cured on their own with a little help from easily available ingredients and items at home.

Here’s how to deal with itchy armpits at home.

Aloe Vera

Aloe vera is one of the widely available household plants due to its skin and health benefits.

It has been found to be effective in providing many skin-health benefits including wound healing, moisturizing, evening skin tone, and brightening.

Regular use of small amounts of aloe vera gel can help treat a variety of skin conditions, including acne, eczema, dermatitis, and sunburns.

Its thick leaves contain a lot of water, so it can be used as a good natural moisturizer. You can use aloe vera gel directly from the plant or buy a bottled variation from a store.

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Ice Cubes

Ice cubes are usually available in homes. These cubes are an effective treatment for itchy underarms. These cubes soothe the skin and prevent you from scratching it constantly.

Regular use of it for a few days can significantly improve the condition. Instead of applying it directly to your skin, wrap the ice cube in a clean, soft towel and press it lightly on the affected area.


Applying a soothing moisturizer to the underarms can help reduce itching and soothe the skin, especially if it is dry.

You should use a fragrance-free moisturizing solution as the artificial scent can irritate the skin and hinder the healing process.

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Essential Oils

Armpit rashes can be treated with essential oils such as tea tree oil and lavender oil. Both of these oils have the ability to fight infection and soothe the skin.

But do not apply these essential oils directly to the skin. Mix a few drops with a carrier oil and apply this mixture to the affected area.

The Bottom Line

Itchy armpits are generally a non-dangerous condition, that can be occurred from using scented soap, or deodorant, stress, and maintaining poor hygiene, to various medical reasons such as eczema, contact dermatitis, folliculitis, and many other bacterial or fungal infections.

Most of them are easily treatable with home remedies, over-the-counter medications, and by your general physician.

Armpit itching can be easily prevented if you follow good hygiene and take precautions.

Even after long-term regular use of all of these, if your condition does not improve. You should consult your doctor to determine any serious underlying causes.

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