Everything You Need to Know about Underarm Rash …


A rash under your arm may occur because of various reasons and may only occur under your arm or be symptomatic of a body wide condition. A rash is a condition which affects the skin and causes it to swell and turns the skin red and blotchy.

Causes of Underarm Rash

Skin inflammation or contact dermatitis can occur when skin comes in contact with certain chemicals found in soaps, detergents and fragrances. If your skin comes in contact with metals, like jewellery or poisonous plants such as poison oak or ivy or is even subjected to an animal bite or insect bite, an underarm rash may form. An underarm rash may also be attributed to an infection from an ingrown hair from shaving or an allergic reaction to food or medication. Rashes may occur due to skin conditions like psoriasis and eczema because of an autoimmune disorder when the body attacks its own immune system or because of viruses during the flu season.

Remedies – Home and Chemical

Home Remedies: Fungal underarm rash is the most common type of rash and is not only uncomfortable but embarrassing as well, while doctors may prescribe an antifungal ointment there are a number of home remedies for armpit rash, these include –

– Keeping your body cool and dry by staying out of the sun

– Dusting cornstarch or baking soda on the affected area

– Applying a mixture of one part tea tree oil and one part water

– Showering frequently

– Wearing loose clothes

The tea tree and water mixture alleviates the itching and kills the fungus; it must be applied using a cotton ball and allowed to dry after which you must wear loose clothes. Using calamine lotion and castile soap can help relieve itchiness and shaving less frequently reduces the risk of skin irritation.

Medicine and Creams Available

The most important medical step taken towards curing underarm rash would be to consult a dermatologist, who can assess the cause and type of rash before prescribing the necessary medication required to cure the rash. Once the type of rash is determined either fungal or reactionary your dermatologist may prescribe any one of the following medication –

 – Hydrocortisone for irritation

– Antibiotics such as penicillin and erythromycin for Bacterial Meningitis

– Lindane and permethrin for underarm scabies

– Topical corticosteroids and vitamin D3 for psoriasis

The treatment of a fungal infection depends on the type of fungus that is causing the rash, while folliculitis may only be treated by a topical cream prescribed by your doctor which reduces discomfort. Allergic reactions which cause skin rash may be prevented only by identifying the allergy causing substance, restricting its use and by using anti-allergens, while axillary hyperhidrosis is treated with aluminium chloride hexahydrate. However it is never appropriate to use such medication without the approval of a dermatologist as you may end up making the rash worse.


You must adhere to certain daily steps in order to prevent an underarm rash from ever developing especially if your skin is extremely sensitive. One must avoid excessive shaving under the arms and the use of deodorants straight after shaving as this makes the skin sensitive; also ensure that you dry your underarms completely after bathing as fungus develops in warm wet areas of the body. Ensure that your clothes are not too tight under the arms and wear sleeveless clothes as much as possible as this allows your underarms to breathe. If you follow these basic steps you should be able to prevent underarm rash from ever developing.

August 23rd, 2013
Topic: Underarm Rash Tags: None

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