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Doctor insights on: Causes Of Itchy Red Bumps On Armpit

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Red Bumps (Definition)

Red bumps is a symptom in which a person has a rash of raised spots on the skin, and the spots are redder than the normal skin. Redness is usually caused by increased blood (red colored) in the reddened area. Increased blood flow can be due to allergies, infection, hormonal changes, ...Read more


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I have non itchy red bumps all over my torso, in my armpits, etc. sporadic, 19 total. Doesn't seem to be a bug bite, no pus, husband doesn't have any?

I have non itchy red bumps all over my torso, in my armpits, etc. sporadic, 19 total. Doesn't seem to be a bug bite, no pus, husband doesn't have any?

Pityriasis Rosea?: Do you recall where the rash started? Pityriasis Rosea is characterized by a symmetrical rash that usually begins with a "herald patch." The herald patch is an oval, fawn-colored patch that precedes the generalized eruption. Google images for Pityriasis Rosea--see if that's what you look like. The cause is unknown, and requires no treatment. Should resolve in a few months. Not infectious ...Read more

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Swollen, itchy red bumps appeared randomly under both of my arms today in the armpit region. What could this be and how can I treat it? Thanks!

Swollen, itchy red bumps appeared randomly under both of my arms today in the armpit region. What could this be and how can I treat it? Thanks!

Bumps: Both contact dermatitis and folliculitis can cause a rash in the armpit. Sometimes shaving irritates the hair follicles, causing them to inflame, then become partially blocked. Consider using topical antibiotics, like benzoyl peroxide. If you think this is a contact allergy to a chemical like those found in deodorants, consider topical hydrocortisone cream ...Read more

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Hi , I have been woken up the past few nights with itchy red bumps on both legs. Itchy bumps that appear on arms and red itchy bumps in both armpits.

Hi , I have been woken up the past few nights with itchy red bumps on both legs. Itchy bumps that appear on arms and red itchy bumps in both armpits.

Viral?: This may be from a viral or drug reaction. If the bumps come and go within hours, try taking antihistamine. If they lasts over 24 hrs, try topical hydrocortisone. If the problem worsens or persists for for more 2 weeks. see your doctor. ...Read more

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What can cause itchy red bumps on my neck?

What can cause itchy red bumps on my neck?

Bumps: This can't be diagnosed with the information that is available. A history, physical examination & other studies may be needed to determine cause/causes. Once accurately assessed a treatment plan can be developed. ...Read more

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What's the cause of mildly itchy red bumps on an arm?

What's the cause of mildly itchy red bumps on an arm?

Dermatitis: You may have contact dermatitis or fungal dermatitis.It is best to see doctor so you can get some cream for it. ...Read more

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What are the causes of the sudden rash of small itchy red bumps?

What are the causes of the sudden rash of small itchy red bumps?

Allergic reaction: Rashes of sudden onset that are itchy are usually allergic in origin.Use of anti-itching cream seems to help. ...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. Doanh Nguyen
606 doctors shared insights

Itchy Rash (Definition)

Most itchy rashes are called eczema or dermatitis. Both are due to ...Read more