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Doctor insights on: Armpit Blister Symptoms

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I have a small little blister looking thing inside of my armpit, but it doesn't hurt what could it be?

I have a small little blister looking thing inside of my armpit, but it doesn't hurt what could it be?

Need to be seen: Not enough detail here for correct identification. If it sticks out like a finger, it is an acrochordon (benign skin tag). If it is a lump deep in the skin it is an epidermal syst or tricholemmal cyst. If you shave there it may contain an in-growing hair.Sometimes they have an opening through which you can squeeze out sebum which looks like cream cheeze with a sour odor. ...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


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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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Does Oral Herpes blisters show up in the armpits?

Does Oral Herpes blisters show up in the armpits?

It's possible: HSV can occur anywhere on the skin and in the oral cavity. While it's possible for HSV to cause a blister in the armpit(axilla) it is less common. Tissue from scrapings of the lesion can be tested for HSV by immunofluorescense staining or PCR DNA testing. ...Read more

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My daughter is 11 and has lil blisters under her armpit that have popped open and now look like cigarette burns can you tell me what it is?

My daughter is 11 and has lil blisters under her armpit that have popped open and now look like cigarette burns can you tell me what it is?

See Your Doctor: Your 11 yr. old daughter has blisters in her armpit. Blistering rashes have numerous causes. Having them confined to her armpit is an unusual location and could be caused by local exposure to an irritant, infections, or even poison ivy through touching the area. Because rashes are difficult to diagnose without visual inspection, your daughter should see her doctor for correct diagnosis. ...Read more

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For about 11 years I have gotten painful blister like bumps on my inner thighs and armpits. Multiple drs don't know what the cause is. Any ideas?

For about 11 years I have gotten painful blister like bumps on my inner thighs and armpits. Multiple drs don't know what the cause is. Any ideas?

See your doctor: Painful blisters needs to be seen by your doctor to document location, size, and type of bumps/blisters. If needed, they can do a scrape biopsy to find out what it is. By itself, it's hard to determine, and you may be referred to a dermatologist who can pinpoint it right away and take care it. It's impossible to determine without seeing it in person, by your doctor first. ...Read more

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I woke up this morning with s painful rash above my fight armpit. It really hurts. It looks like blisters?

I woke up this morning with s painful rash above my fight armpit. It really hurts. It looks like blisters?

Rash: Above armpit with pain makes one think of shingles. But I can't be sure without an examination. Since there is a treatment to shorten the course of this disease you need to get in right away to be evaluated. Best wishes. ...Read more

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Does shingles always have a rash? I have a nerve-like pain just below my armpit but no rash or blisters. The pain has been longer than 1 week too.

Does shingles always have a rash?  I have a nerve-like pain just below my armpit but no rash or blisters.  The pain has been longer than 1 week too.

Zoster sine herpete: And that young lady is how we docs say "shingles without a rash." Yes, it DOES exist. And many people are grateful for it since the alternative is have the shingles with all the cosmetic issues. When absolutely necessary we can do spinal taps to identify particles of the virus who are causing the pain and burning symptoms but without a lot of exertion. ...Read more

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Dr. Philip Miller
1,673 doctors shared insights

Blistering (Definition)

Blistering is a bubble of skin filled with fluid. They can occur to excessive rubbing (as with a new pair of ...Read more