Armpits

Itchy armpits can be very disturbing especially if it occurs with a rash. There are several reasons why you are going through an itchy feeling in your armpits. Usually, this condition does not cause much harm but at times it can be discomforting especially if it causes you want to scratch your underarm even when in a crowd of people. In this discussion, we are going to learn more about causes of itchy underarm, symptoms, treatments and some of the way you can clear the problem at home.

Itchy Armpits no Rash

It is common that when someone reaches the age of puberty, he or she will start growing hair in the armpit. The hair does not cause itching in the armpit but it exposes the area to some of the conditions that result in a rash that is accompanied by itching.
Your armpit is located directly below the shoulder joints and contains several blood vessels and lymph nodes along with hair follicles and sweat glands.
A number of people may think of armpits only when they want to shave their pubic hair or when applying a deodorant after taking a bathe. However, in this post we will shade some light on the actual condition that may occur in your armpit which is itching that may develop there.

Symptoms of itchy armpits

Itching in the armpit doesn’t happen as a normal cycle that is expected to occur after every given period. This is a condition which is facilitated by given issues that we will discuss here. However, this itching in the armpit is usually associated with other signs and symptoms depending on the severity of the problem. A number of these signs and symptoms that may occur in company with itching in the underarm include the following:

• You may develop a rash in the armpit
• The armpit area may change color to reddish
• Swollen lymph nodes in the armpit
• In severe cases head ache and fever

Itchy Armpits Causes

Itchy underarm is a problem that should never be ignored at any given time as it can result to a lot of pain and discomfort especially you are an outdoor person. Some of the underlying causes of this problem can develop into a serious condition that will need special medical attention. If you have itchy under arm, it is important to find out the condition behind it and learn on the best ways you can treat the problem before it gets worse.
It is important to know that sometimes when you experience itching in the armpit, it can actually be a symptom from an underlying condition in your body. There are many different factors that can result to itchiness in the armpit and it is good to know them before deciding on treatment that will be best for you.

1. Yeast infection

This type of infection is very common in various parts of the body. often, human beings have a bit of Candida all over their body but when the immune system is good, it takes care of the health overall. If in case your immune system is compromised maybe due to poor nutrition, this is the time when yeast infection takes place and it may worsen by forming rashes. Apart from the armpits, Candida or yeast infection can also be seen in the groin area and mouth area.

2. Eczema

This is an inflammation that takes place on the skin and it is often associated with scaling of the epithelial layer of the skin and also blisters. Eczema is as a result of a number of reasons but most of the time, it is caused by an irritation to the skin due to the oil overproduced from the glands, and this can cause itchy armpits too. Also, when your skin becomes too dry expect to be affected with Eczema although this is not the case when it comes to armpit area.

3. Hidradentitis Supporativa

This condition is not common but people may know it due to its description of a reversed pimple. This condition may occur when your hair follicle is inflamed either due to bacterial infections or harsh environment. The cyst formed after this condition often occurs under the skin and may produce pus if popped. In many cases, wounds that result hidradenitis supporativa don’t heal. In other cases they may just form folds and holes that are obvious under the skin.

4. Deodorant

Deodorants can as well trigger rashes in your armpit which are associated with itchiness. If the deodorant you are using does not match well with your skin or it has contents that irritates your skin you may end up with an itchy rash in the armpit due to inflammation. For this case, you have to be always careful when buying your deodorant to know the ingredients used and you can stop the use of deodorant if you experience itchy armpits from it.

5. Ingrown Hair

This is common in people who normally shave their pubic hair regularly. Also your shaving mechanism matters a lot when it comes to development of ingrown hair in armpit. If you use sharp razors that shave deep in the skin, you may end up with an itchy armpit due to increased ingrown hairs there. This is because, sharp hairs that are left in the skin re-penetrate the skin while growing and stick there. This may also give a leeway to bacterial infection.

6. Lymph Nodes

In your armpits, there are a number of lymph nodes that respond to any infections in the surrounding areas.  Also, they can be inflamed in the process of fighting infection to become painful and itchy. In this case you can acquire some antibiotics over the counter to relieve some pain. You can as well use a warm compress to bring the swelling of lymph nodes down.

7. Psoriasis

Psoriasis is a common autoimmune condition whereby there is increased production of skin cells that result in lesions on your skin. According to some studies, there are many types of this condition but only one is known to affect the folds of the skin like in the armpit. Psoriasis result in patches that may be reddish, scaly and dry and some of these patches may be associated with itchy armpits. Also, skin that is affected by this condition is usually prone to patches and lesions.

8. Heat Rash

This is a certain type of rash that forms in the armpit and it can be identified with bumps. In addition to bumps, the patient may suffer from itchy armpits and this condition is usually uncomfortable. While heat rash can develop in any part of the skin, it can spread out easily if not treated in time.

9. Lack of Hygiene

Your armpits are always wet due to sweat. If it happens you do not take a good care of your skin in there you may end up being irritated. Also, when taking a shower, make sure you clean well in the folds since if not careful, areas like armpits, and groin are easily forgotten. Since the armpit is always wet and warm, if not cleaned properly, bacteria may end up taking advantage of the situation to cause infections.

10. Laundry detergent

Some people are very sensitive when it comes to ingredients used to make soaps and washing detergents. When they use these products, they may end up developing rashes all over the body including the armpit. If you are one of the people, always make a good choice of products you are not allergic to.

Itchy Armpits Cancer

If you are experiencing an itch in your armpit is can be a sign of breast cancer though the condition is not common. There exists a type of breast cancer that is commonly referred to as inflammatory breast cancer. This type of cancer is associated with symptoms such as; the area surrounding the tumor usually is red, inflamed, and painful with increased itchiness that runs down to the armpit. Also, you may be suffering from a condition known as Paget’s disease that affects the nipple, which is associated with breast cancer and can result in itchy armpits.
Also, you can develop a lump in your armpit which can as well develop into cancer, although this is not common. No one would like to hear about cancer at any given time. It is important to have your breast checked in case you have some shooting pain and itchiness in the armpit which is associated with a lump on the breast. Also, in the case of breast cancer, you may realize your armpit lymph nodes are swollen in addition to the symptoms that we have talked above.

Itchy Armpits after Shaving

It is normal as we have said above to develop some sensation in your underarm after a shave. The itchiness can be due to the body’s reaction to the shaving, allergy from the deodorant to the shaved skin, allergy to antiperspirants, or due to bacteria from unsanitary razors. There are a number of things you can do in order to avoid itchy armpits after shaving. Always make sure you observe hygiene and care while carrying out your shave.
It is important to change shaving razors frequently to keep itchiness abbey. This is because, razors that are dull can result into folliculitis or inflammation to the hair follicle. Also, old razors can be a breeding ground for bacteria. If you want to repeat the use of a razor, make sure it is place in a ventilated area to dry out. You can as well use shaving creams and gel to bring down the irritation during shaving.
Also, you can prevent itchy armpits after shave by use of a moisturizer at least 10 to 15 min after you are through with your shave. Deodorant should be applied after the moisturizer has been absorbed. In case itchiness still occurs, you can try changing the brand of your deodorant. If this problem continue to cause you discomfort, you should see your doctor you may be dealing with an infection.

Armpit Yeast Infection

Research has revealed that Women are more on the verge of getting yeast infections as compared to men. Yeast infection not only occur in the groin but also on other areas of the body that are damp and warm like armpits, under breast, anus, mouth, belly button, fingernails and between toes. The yeast infection that normally occurs in the skin folds is referred to as impetigo.
Armpits are commonly affected by yeast infection. However, yeast infection under the arm is not much serious since can be treated. Yeast infection in the armpit is often itchy and painful with a lot of discomfort. When suffering from yeast infection, you may experience a burning sensation in the armpit due to increased scratching and damage that result from the fingernails. At the end, you may develop a red rash that may cover the whole of underarm area.
Other symptoms associated with yeast infection in armpit are unpleasant smell due to skin bacteria and poor ventilation, skin in armpit becomes dark, with flaky skin.

Itchy underarm Home Remedies

The first thing you need to do is to avoid scratching the itchy armpits. Though scratching will reduce your for some time, it can as well facilitate the spread of infection and breakage of the skin. When the skin is broken, it paves way for entry of bacteria and other disease causing organisms to the open wound.
Also, there are many other things you should do in order to deal with your itchy armpits. Some of them are as follows:

1. Stay Clean

You can have itchy underarms not because you have an infection but because of dirtiness. Apart from that, bacteria usually thrives in dirty environment, hence your armpits are always damp and warm. In this case, if high level of cleanliness is not maintained, you may end up being infected. Therefore, clean your armpits using soap and water, and you will see how great this can be.

2. Avoid Shaving

There are other ways apart from shaving that can help remove hair in your armpits. The first one is that you can opt to getting a laser hair removal treatment. This type of treatment involves effectively getting rid of your armpit hair without causing harm to your skin considering that the process is done correctly by a professional. Shaving your armpit with razors has been considered to be that main reason why many people develop bumps and itchy armpits.

3. Use Hot Compress

Not really hot, but you can use a warm compress. Warm water is known to kill germs that appear close to the skin. Regardless of bacteria thriving in warm and moist areas, a warmer compress can assist in getting rid of the pus that is accumulated in the bumps that appear in your armpit. After all the pus has drained, the itchy bumps will eventually begin to heal.

4. Tea Tree Oil

This is generally used by many families as a home remedy in these days.  This is because tea tree oil is very effective in getting rid of the itchy armpits fast within an overnight. In case your armpit rash is as a result of a parasite, tea tree oil is one of the home remedies you can give a try.

5. Oatmeal

You can make Oatmeal to be your choice of breakfast especially if you are under a diet or you are trying to live a healthy lifestyle. However, oatmeal can be used in many different ways. First, it is a well-known home remedy used in treating skin and therefore I can advise you to give it a try on your itchy armpits especially if you have a rash. Also, Oatmeal can be used to normalize the pH level of the skin whereby it lessens the possibility of infections on the skin from getting worse.

6. Coconut Oil

Coconut oil is very important when it comes to getting rid of a rash in your armpit. Also, coconut is used to make natural oil which is good for the skin. Therefore, coconut oil can be used to calm down your skin so that the itching can stop and in addition, it contains some properties that can make your armpits rash to heal properly. You can obtain extra virgin coconut oil from the market stores as this is known to be the most effective.

Itchy Underarm Treatment

There are many different kind treatments available for this condition. However, to get rid of itchy armpits you need to know what is causing it, since there are many other underlying problems that may result to it. If your symptoms are severe such as, breathing difficulties, swollen face, fever and many others, make an appointment with your doctor to know what could be causing all these conditions.
How to treat Yeast infection

1. Antifungal Creams

Some of the over-the-counter anti-fungal medications can be used to treat underarm rash and itchiness from yeast infection. Moreover, these anti-fungal drugs can be used to fight genital yeast infection and also jock itch. Before applying an anti-fungal cream, make sure your armpit is cleaned and dry.

2. Antihistamines

These types of drugs can help to bring relief from the itching and irritation that result from the infection. Often, antihistamine drugs contain some contents such as loratadine, diphenhydramine, fexofenadine and cetirizine. Also corticosteroids can still help as anti-inflammatory agent that bring down itching and redness.
More references

1. Itchy armpits: http://www.belmarrahealth.com/itchy-armpits-itchy-underarms-causes-symptoms-treatments-and-home-remedies/
2. Itchy underarm: http://naturalremedyideas.com/itchy-armpits/
3. Itchy armpit causes and treatments: http://www.md-health.com/Itchy-Armpits.html
4. Itchy under arm sign of breast cancer: http://www.cancerresearchuk.org/about-cancer/breast-cancer/symptoms/can-itching-be-a-sign-of-breast-cancer
5. Itchy armpit after shaving: http://www.skincarearticles.com/itchy-armpits-after-shaving-what-to-do/

What causes underarm itching? Get insights on the reason for itchy armpits, rash, during the night, best home remedies for itchy underarms.

Why is my Underarm Itchy

In major occasion armpit is a favorite spot for irritation. You may not be able to see an underarm itching right away, but the itch and irritation or underarm itching can be unbearable in some cases. Armpit itching can be bumpy and red or scaly and white.
Many things can trigger or stimulate underarm itching, and likewise, many treatments can address them. Determining the cause of the itching makes it easier to find relief underarm itching.
Underarm itching can take from a few hours to a few months. Most underarm itching can be easily cured with home remedies or over-the-counter treatments.

Underarm Itching Causes

The following are main underarm itching causes:

1. Atopic dermatitis

Eczema is commonly in the folds of the body, like behind the knees, the insides elbows, or in your armpits. It’s usually red, itchy, and can crust over.
Because of the unbearable itch, eczema bumps can bleed after a prolonged scratching. Sometimes, eczema bumps seep clear fluid. Majority of persons with eczema experience flare-ups at certain times of the year.

2. Seborrheic dermatitis

It is an irritation on skin caused partly by the overproduction of sebum, or skin oils affecting mostly in the body folds especially armpits causing underarm itching.
Some young offspring’s experience a form of seborrheic dermatitis called cradle cap. This condition usually appears on the scalp, ears, face, and armpits.

3. Contact dermatitis

It occurs when you comes into close contact with an allergen or irritant substances such that when they comes in contact with your armpit where there is more of sweat production will lead to occurrence of underarm itching.

4. Candidiasis infection

It develops most frequently on moist areas of skin, like the underarms causing underarm itching. It can also lead to swelling, itching, scaling, and red rashes. Candida can get worse especially during hot weather, under tight clothing, or because of poor hygiene.

5. Improper Hygiene.

Micro-bacteria appear mostly in areas with sweat and dirt, so those who are very sweaty or dirty may experience a great deal of underarm itching. People should always take shower after exercise to avoid this annoyance problem.

6. Washing Detergents

In most cases, underarm itching is due to washing detergent that we mostly use at home. These itching will affect any part of the body that touches clothing. Simply switching detergents should help.

7. Lack proper shaving equipment

If you use a blunt razor or don’t use shaving cream, your underarms may become itchy, dry, and irritated. Try to change your razor regularly and use proper shaving cream before shaving.

8. Use of bras that are allergens.

Some ladies will be allergic to the nickel, latex, rubber, or elastic in some bras. You can try to select bras that are made using natural materials instead since if your body is allergic to latex then sweating zone especially the armpit will experience underarm itching.

9. Intertrigo skin condition

It affects areas where the skins have skin folds, mostly leading to underarm itching or itching in the groin or lower abdomen. It is characterized by redness and itching in most cases, but sometimes the skin may be crusty or cracked or even ooze a liquid that smells foul.

Quickest Methods of healing Underarm Itching

• Keep Good Hygiene. As sated earlier, underarm itching may be due to poor hygiene. To avoid this cause, simply practice good hygiene.
• Keep off from Irritants. In many cases, deodorants will contain parabens, alcohol, fragrances, or aluminum, which can trigger a negative reaction. Test various products to see which ones will cause irritation or opt for a natural method, such as baking soda, potassium alum or lemon juice.
• Stop Shaving. Shaving may lead to ingrown and infected hair follicles. Instead of shaving, try to use a depilatory agent or waxing.
• Apply Hot Compress. A hot, moist compress promotes drainage, but always changes the compress between uses.
• Use Soothing Lotions. Try applying oils with vitamin E, aloe Vera or tea tree oil. You can also try calamine lotion or taking an oatmeal bath.

Itchy armpit Rash

Itchy Armpit rashes can be prolonged from several hours to several months. Most rashes can be easily medicated with home cures or over-the-counter treatments. However, it’s beneficial to know what’s stimulating the appearances rash before taking precaution to eliminate them and even prevent future rashes appearance.
Here are the possible causes of itchy armpit rash:

• Ingrown hair

If an individual shave underarms, he or she may inadvertently cause an ingrown hair, which means that a strand of broken hair has been bent sideways and is growing back into the skin. This presents itself with a raised, red bump similar to a pimple and can cause itchiness and rash.

• Deodorant

Antiperspirants and deodorants can be responsible for itching or painful armpits. Some of these products can clog sweat glands, trigger dermatitis reactions, or otherwise irritate the skin.

• Swollen lymph nodes

If a person body is fighting off an infection, the lymph nodes can swell to the point that they present irritation and itching.

• Hidradenitis suppurativa

It is a rare condition that is best imagined as a “inverse pimple”. It is characterized by hair follicles becoming blocked and inflamed, creating painful cysts under the skin that can open into abscesses or sores and leak pus even without bacteria being present. These wounds do not always heal and can actually form “tunnels” under the skin in extreme cases.

• Overgrowth of skin cells

It is an autoimmune condition characterized by the overgrowth of skin cells and the formation of abnormal patches of skin or lesions. One variant of the condition, inverse psoriasis, almost exclusively affects the folds of the skin. It can cause painful and/or itchy, dry, scaly, red, or white patches to form on the body.

• Eczema

This is inflammation of the skin causes redness, itching, scaling, and blisters. These patches of affected skin can burn, sting, or itch. Dermatitis is categorized based on the cause, but generally it happens because something is irritating the skin (contact or allergic dermatitis) or because the skin is overproducing oils (seborrheic dermatitis). Another common cause is when skin becomes extremely dry and cracked, often in the winter.

• heat rash

This is a condition is caused by blocked sweat glands and typically presents itself with itchy underarms and red bumps. The affected area may “prickle” as well and the rash can spread over other parts of the body.

• Hygiene issues

The armpit is a warm, damp environment and the sort of place bacteria love to grow in. If you have poor personal hygiene, bacteria will multiply and irritate the skin.

What can Cause a Rash under the Armpit

Major causes:

1. Poor hygiene

If individuals maintain poor personal hygiene, bacteria will multiply and irritate the skin causing appearance of rashes since the armpit is a warm, damp environment and the sort of place bacteria love to grow in.

2. Yeast infection

In cases where you experienced decreased immune function, the yeast can get out of hand and cause an overgrowth and rash.
A candida outbreak is most common in moist areas like the mouth, groin, and armpits. The red rash can cause the skin to peel and is aggravated by tight clothing and warm temperatures.

3. Miliaria rubra

It is a condition caused by blocked sweat glands and typically characterized by itchy underarms and red bumps. The affected area may “prickle” as well and the rash can spread over other parts of the body.

4. Shaving rash

If a person suffer from appearance of rashes in armpits after shaving, immediately or a day after, the reasons could be the use of dull razors that break or irritate your skin, wrong shaving techniques, inflamed hair follicles (folliculitis) due to shaving and infections i.e. broken skin, sweating, dirty razors, poor personal hygiene, can cause underarm infection.

5. Accumulation of excess skin cells

This condition usually stimulates cells to build up rapidly on the surface of the skin. The extra skin cells form thick, silvery scales and itchy, dry, red patches that are sometimes painful thus causing development of rashes.

6. Accumulation of excess keratin

It is resulted due to excess keratin formation that causes appearance of pimple-like bumps or rough sandpaper like patches on your skin including button, face, leg, and armpit areas. Other symptoms include dry rough skin, irritated armpits, as well as inflamed or itchy underarms.

7. Allergic reaction

This happens when an individual comes in  contact with some allergens such as poison ivy, laundry detergents, some soaps, household chemicals, among other allergens can cause inflamed or itchy underarms accompanied with development of rashes that are  soreness among other symptoms.

Itchy Armpits after Shaving

Itchy, irritated underarms are really an embarrassment, since during the hot months when individuals are eager to go sleeveless and their sensitive armpits may protest against shaving, but that doesn’t mean individuals need to give up the razor to get relief. They can stop the irritation by shaving properly and by curing their skin with some soothing creams afterward.

Tips to control itchy armpits

• Stop shaving your armpits temporarily if they’re itchy or inflamed. Give the skin time to heal.
• Wet your underarms before shaving to help prevent cuts and rashes from developing. Avoid shaving armpits when they’re dry. Always use shaving cream or gel.
• Use a sharp, clean razor each time you shave. Dull razors are more likely to cause skin irritation. In general, it’s best to replace a razor after two weeks of use.
• Apply an over-the-counter hydrocortisone cream to the irritated skin. It will soothe itching, redness and rashes. Use the cream for up to five days or until the rash disappears.
• Use a fragrance- and alcohol-free antiperspirant to avoid causing further irritation. If your antiperspirant makes the itching worse, switch to another one that contains different active ingredients. Alternatively, try using antiperspirant-free deodorant or crystal deodorant. When you’re at home, try to skip the antiperspirant unless you really need it.
• Apply a dab of moisturizer to each underarm after shaving. Use a moisturizer that contains aloe for best results.
• Wear breathable garments, such as cotton T-shirts, to allow fresh air to reach your skin. Constricting clothes may cause you to sweat, leading to more skin irritation. Breathable fabrics help prevent skin from sweating as much.

Itchy armpits at Night

Causes and treatment:

1. Shaving effect

If a person suffer from itchy armpits after shaving, immediately or a day after, the reasons could be the use of dull razors that break or irritate the skin, wrong shaving techniques, inflamed hair follicles (folliculitis) due to shaving and infections i.e. broken skin, sweating, dirty razors, poor personal hygiene, can cause underarm infection.
Treatment: To stop or prevent itchy underarm after shaving, don’t shave armpits if they are already inflamed or itchy, use a moisturizer 15 minutes after shaving, use a shaving gel, change your shaving razors regularly, do not use an antiperspirant or deodorant immediately after shaving, and try other shaving methods such as waxing or shaving creams, laser hair removal if you suffer from really bad itchy armpits after shaving.

2. Hormonal imbalance during pregnancy

Although uncommon, some women suffer from itchy armpits during pregnancy during early pregnancy, late pregnancy or even after pregnancy and this research has been undertaken by medical specialist.
Conditions such as impetigo and eczema can lead to itchy underarms during pregnancy. Furthermore, most women are vulnerable to yeast infections which can also cause armpit itch.

3. Itchy armpits cancer

Breast cancers such as the inflammatory breast cancer can trigger not only an itchy breast but also an itchy underarm area or an itchy patch near the armpit.
If inflammatory breast cancer is behind armpit itching, you might be having itchy armpits cancer symptoms such as swollen, sore, red and warm breasts.

4. Psoriasis

Going on with what causes itchy underarms, psoriasis is possible because it causes cells to build up rapidly on the surface of the skin. The extra skin cells form thick, silvery scales and itchy, dry, red patches that are sometimes painful. Although it can affect your legs, arms, back, scalp, etc. it is commonly affects underarms.

5. Keratosis Pilaris

This is a condition that is caused by excess keratin formation that results to pimple-like bumps or rough sandpaper like patches on your skin including button, face, leg, and armpit areas. Other symptoms include dry rough skin, irritated armpits, as well as inflamed or itchy underarms.
The problem resolves on its own but home remedies and some over the counter medications can minimize symptoms and speed up recovery.

6. Connection with allergens

Coming in contact with some allergens such as poison ivy, laundry detergents, some soap, household chemicals, among other allergens can cause inflamed or itchy underarms accompanied with redness, swelling, tenderness, warmth, and soreness among other symptoms.
Avoid contact with allergens, use antihistamines to relieve allergy symptoms or hydrocortisone cream.

7. Fungal infection

It is more common in people who have compromised immunity such as those with HIV STD, cancer, blood disorders, diabetic or undergoing some treatments such as corticosteroid therapy or chemotherapy.

8. Fox-Fordyce Disease

It is characterized by small itchy bumps due to clogged sweat glands especially on underarm and groin areas. It can be treated as hidradenitis suppurativa.

Armpit Yeast Infection

Candida is a strain of fungus that can cause an infection under the armpit since the place appears in most occasion dam due to sweating and also among other locations. In normal conditions, the armpit may host small amounts of this fungus. Problems arise when it begins to multiply and creates an overgrowth.
Candida skin infections can occur on almost any area of the body, but they are more commonly found in intertriginous regions. This is where two skin areas touch or rub together.
Such areas include the armpits, groin, and skin folds, as well as the area between your fingers and toes. The fungus thrives in warm, moist, and sweaty conditions.
Candida becomes pathogenic, or capable of causing disease, when conditions are favorable for it to multiply. Hot and humid weather, poor hygiene, or restrictive clothing may produce these conditions.
Certain medications may also increase the risk for this type of fungal infection. Topical corticosteroid medications are the most problematic, but birth control pills and antibiotics are other possible causes.
Symptoms include:

• rashes
• red or purple patches
• white, flaky substance over affected areas
• scaling, or shedding of the skin with flakes
• cracks in the skin
• soreness
• erythema, which results in areas of redness
• maceration, or the appearance of soft white skin
• creamy satellite pustules at margins of affected areas

Treatment of candida infection primarily relies on appearance of armpit. Once a candida infection is diagnosed, the first step is to address the underlying cause. This may include changing your lifestyle to be more cleanly, losing weight if you are overweight, or managing your diabetes.
Treatment from a demertologist may be prescribing drying agents with antifungal creams, ointments, or lotions that are applied to your armpit. Suppositories and oral medications are also available.
There are simple steps you may take to reduce your risk of developing candida infections:

• Wear “dri-fit” clothing that helps wick away moisture from your skin.
• Keep your armpits, groin area, and other areas that are prone to infection clean and dry.
• Always shower and dry yourself thoroughly after activities where you sweat.
• If you are overweight or obese, properly dry your skin folds.

Underarm Itching Home Remedy

There are many causes of armpit rash and different diagnosis for each cause. Armpit rash can be the result of a perfume or deodorant you are wearing, a soap product you are using, or even the clothes that you wear. If you experience armpit rash, learn how to recognize and heal the condition.
Home remedies include:

• Lemon

The citric acid in lemon juice also kills the bacteria underneath your arms. Take a slice of lemon and swipe it under your pits for a nice natural deodorant. Just be sure not to use lemon juice immediately after you shave.

• Cornmeal

Cornmeal can come to your rescue when you want to quickly get rid of itching underarm. The absorptive properties present in cornmeal help treat itchy bumps.

• Apple Cider Vinegar

Another easy home treatment for underarm itching is to apply apple cider vinegar. It acts as a natural antiseptic and has antimicrobial properties that help fight skin infections.

• Use of Castor Oil

It contains the properties that are extremely efficient to heal up the injuries and to become dull the scars either dark or deep that resulted due to underarm itching. Castor oil is exceptionally proficient in recuperating the injuries and profoundly valuable in disposing of flaws and moles

• Apply Honey

It has antibacterial and antifungal nature that is important in the treatment of a wide range of skin issues particularly pimples. It treats it by nourishing the skin.
Further Tips control underarm itching:

1. Avoid infection of the underarm region caused by clogged or irritated hair follicles.

This condition is also known as folliculitis. Folliculitis starts when hair follicles get damaged for whatever reason, becoming infected. Luckily, this irritating condition can be avoided and treated by putting on clothing that isn’t too tight in the armpit area.

2. Avoid shaving under arms daily since it might lead to irritation.

Shaving can cause hair follicles to become ingrown and even infected. Try waxing or use a depilatory (hair removal agent) instead until the condition has cleared up.

3. Neglect using deodorants, soaps or powders that irritate underarms.

Deodorants often contain aluminum, fragrances, alcohol and parabens all of which can trigger a rash. This is one of the easiest causes of itching or redness to eliminate.

4. Adopt good hygiene to avoid an underarm fungal infection

The underarm area is a perfect breeding ground for bacteria and fungus because it is dark and moist. Armpit rash can be attributable to poor hygiene, but it’s far more likely that the rash is a direct result of heat, friction or contact with allergens.

5. Consider other causes of armpit rash.

These may include allergies to food and medication, poison ivy or poison oak, insect bites, or an autoimmune disorder such as psoriasis. Viruses such as flu or chicken pox can also cause rashes.

6. Avoid scratching at the affected area

Skin abrasions caused by scratching can lead to fungal or bacterial infection. Use a topical ointment, such as hydrocortisone, if the itching becomes unbearable.

Itchy armpits Deodorant

There’s a thicker-than-usual amount of antiperspirant/deodorant on freshly-shaven skin to avoid sweat marks and odor. As you go rushing about your day, damp armpit skin rubs together along with some sweat, oil and your clothing.
Itchy armpit usually occurs as a result of shaving and use of antiperspirant or deodorant my also encourage cysts growth of bump under armpit. Proper shaving techniques are often advised.
But underarm skin is sensitive from the shaving too and sweat glands are mostly blocked by irritating chemicals and deodorant in addition to the fabric, laundry detergent (and possibly chlorine bleach) from your shirt.
Underarm odor is not caused by the watery sweat that wets your shirt which is secreted by your eccrine sweat glands to lower your temperature through evaporation. The odor is caused by bacteria that break down fats secreted by your apocrine sweat glands.
An antiperspirant contains an aluminum salt chemical to block the watery secretion from the eccrine glands which can be a primary irritant, especially when skin is more vulnerable in the summer or freshly shaven.  But, it’s deodorant that controls the odor with perfumes and sometimes an antibacterial chemical to inhibit bacterial growth such as triclosan, also a common skin irritant.
Steps to avoid itchy armpits when using deodorant:

• Read labels and switch underarm products, formulas.
• Shave armpits at night and don’t apply deodorant.
• Go naturel at the beach.
• Switch laundry detergent, too.
• See your dermatologist if rash doesn’t clear.

References

1. How to Treat an Armpit Rash: http://www.healthline.com/health/how-to-get-rid-of-an-armpit-rash
2. How to Heal Armpit Rash: http://www.wikihow.com/Heal-Armpit-Rash