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Doctor insights on: Small Hard Lump Under Skin On Arm

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Hi, um I have a hard lump under my skin on my upper arm and then their one more starting to developed what is this ?

Hi, um I have a hard lump under my skin on my upper arm and then their one more starting to developed  what is this ?

Needs evaluation: Individual diagnoses are beyond the scope of this forum; HealthTap Prime or a doctor's office are needed to do that properly. In the case of diagnosing a hard lump under the skin, nothing beats the ability to feel it on physical exam in an office. ...Read more

Dr. J. Lawrence Dohan
Board Certified, Dermatology
51 years in practice
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2
I punctured my arm on a bromeliad thorn. Now several weeks later I have a hard lump under the skin like a large bb. It is slightly painful?

I punctured my arm on a bromeliad thorn. Now several weeks later I have a hard lump under the skin like a large bb. It is slightly painful?

See a doctor: It is possible that you have one of several types of infection with inoculation of organisms into you by the thorn. ...Read more

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Dr. J. Lawrence Dohan
Board Certified, Dermatology
51 years in practice
5.0M people helped
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Treating Skin Allergies (Checklist)

Apply non-medicated moisturizing cream to rash areas
5 Min, 2x day, forever
Keep daily showers brief and without the water being too hot
5 Min, Once, forever
Avoid soaps, which can be drying. Lotion-cleansers are better.
Once
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I've a hard lump under my skin on right upper arm?

I've a hard lump under my skin on right upper arm?

Skin Bumps: There are a number skin conditions that cause lumps and bumps to appear on the surface or just below the skin. The most common ones are lister below: skin cysts, cherry angioma, dermatofibromas, epidermoid cysts, folliculitis, keratoacanthoma, keratosis pilaris, lipomas, neurofibromas. ...Read more

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Treating Skin Allergies (Checklist)

Hydrate well with purified water
Once
Avoid sugars, dairy, soy, GMO products
Once
Avoid fried and grilled foods
Once
Avoid using harsh detergents in shampoos, moisturizers, sunscreen
Once
Board Certified, Dermatology
51 years in practice
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I have a lump under my skin its in my under arm. I have had a small lump for a few years now once in, awhile it will swell and became tender.

I have a lump under my skin its in my under arm. I have had a small lump for a few years now once in, awhile it will swell and became tender.

Lymph node: It is probably a lymph node. They can swell in response to local infection. If you have a history or risk for cancer though, should ask a dr to look at it. ...Read more

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I have a small lump under the skin, it's the size of a jelly bean. It is a bluish purple color. It has moved about 4 inch up my arm in a couple days?

I have a small lump under the skin, it's the size of a jelly bean.  It is a bluish purple color.  It has moved about 4 inch up my arm in a couple days?

Bluish lump: It's hard to know exactly what this is without seeing it or touching it. For this lump to physically move also seems unusual. It's possible u have a hematoma there and some blood may have tracked up your arm. Do u remember any injury to the site? Does it hurt to touch? Did anyone grab you? An enlarged vein (varicose) might appear like this too. Hope u can get some relief. ...Read more

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Treating Skin Allergies (Checklist)

Use hydrocortisone
2x day
Do not use topical Benadryl
once
Avoid offending agent
once
Nickel is often cause of skin allergies
once

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Dr. J. Lawrence Dohan
Board Certified, Dermatology
51 years in practice
5.0M people helped
Continue
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