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Doctor insights on: Causes Of Rash Around Armpit

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Itchy rashes under armpit, what are possible causes and OTC treatments? I shower daily, don't shave.

Itchy rashes under armpit, what are possible causes and OTC treatments? I shower daily, don't shave.

Dermatitis vs fungal: An 'itchy' rash in the axilla (arm pit) may be a 'contact dermatitis' or a yeast/fungal infection. An otc treatment for dermatitis is Cortaid (hydrocortisone 1%) and the treatment for fungal infection is otc 'anti-fungal' e.g. Lotrimin (clotrimazole). Dermatitis may be caused by exposure to chemicals/fragrances in deodorant/anti-perspirants so a hypo-allergenic subsitute may be needed. Get seen if no better. ...Read more

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Dr. Cornelia Franz
1,059 doctors shared insights

Rash (Definition)

Most bumps and blotches on a newborn baby are harmless and clear up by themselves. By far the most common skin problem in infants is diaper rash. Diaper rash is an irritation of the skin caused by dampness, urine, or feces. Most babies who wear diapers will have some type of diaper rash. However, there are other skin disorders that can cause rashes. These are usually not serious unless ...Read more


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Why histamine surge cause heart pain in swimming? I get armpit rashes if exercising 1min. I get moderate pain in heart in 45min so have to stop.

Why histamine surge cause heart pain in swimming? I get armpit rashes if exercising 1min. I get moderate pain in heart in 45min so have to stop.

Not from histamine: Despite your age, you need to get your cardiac status evaluated before you exert heavily again. This may be a warning sign of something serious and potentially life-threatening. ...Read more

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What might cause a rash on my armpit?

What might cause a rash on my armpit?

Several causes: If the vault (the central "pit" area) is involved, it's usually caused by allergy to a deodorant or antiperspirant, or some component of it. If the outer rim of the armpit is involved and the vault is spared, it's usually caused by an article of clothing or detergent or fabric softener. Other causes include yeast and fungus infections, and there are other, more obscure causes. ...Read more

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What can cause an armpit rash?

What can cause an armpit rash?

Variety of Things: This could be related to clothing you have worn, a hair follicle/ingrown hair, an infection in a sweat gland, a reaction to something that touched that portion of your skin, an infection in your skin, or something else. It is difficult to tell without more of a story/seeing the rash. Antiperspirants are the leading cause of armpit problems in the us. ...Read more

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What causes an armpit rash with an odor?

What causes an armpit rash with an odor?

Itertrigo: Sweat combines with dead skin to cause an irritation where skin meets skin. Other causes could contact dermatitis, fungal/viral/bacterial infection, allergic reaction. See your doctor for diagnosis and treatment. ...Read more

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What could cause a blistering armpit rash?

What could cause a blistering armpit rash?

Allergic reaction: Personal care items like deodorants or body creams can some times cause allergic reactions with blistering. If it is only on one side and painful consider a viral infection. ...Read more

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What could cause rash/pimples in the armpit?

What could cause rash/pimples in the armpit?

Many things: Folliculitis, contact dermatitis (to clothes or antiperspirant); bacterial, viral or fungal infection, hyperhidrosis (sweating too much), on and on. If it is bothersome, see your doctor for a definitive diagnosis. ...Read more

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What could cause a persistent itchy rash in only one armpit that has lasted for at least two months but hasn't spread?

What could cause a persistent itchy rash in only one armpit that has lasted for at least two months but hasn't spread?

ARMPIT RASH: WHY UNDER ONE ARM I DON'T KNOW. IF ITS UNDER THE ARM THAT DOES ALL THE WORK, LIKE WRITING, LIFTING, EATING, ETC., IT MAY BE A CONTACT DERMATITIS FROM SOAP, DETERGENT, STUFF YOU MAY BE PUTTING ON WITH YOUR DOMINANT HAND. BE A DETECTIVE AND IF IT DOESNT GET BETTER, SEE DERMATOLOGIST. ...Read more

Axilla (Definition)

Area of human body directly under the joint where the shoulder connects to the arm. It contains axillary vessels, brachial nerve plexus, lymph nodes & vessels, axillary ...Read more


Dr. John Chiu
2,561 doctors shared insights

Skin Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more