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Doctor insights on: Small Pea Sized Lump Under Armpit

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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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I've found a small pea sized lump under my left armpit, that is painless and is moveable. Also my glands are also always swollen like big hard lumps.

I've found a small pea sized lump under my left armpit, that is painless and is moveable. Also my glands are also always swollen like big hard lumps.

Seen a Doctor lately: If your lymph glands are enlarged and growing bigger, you need to have them checked by your physician. Lymph nodes do not enlarge unless you have either Infection or Cancer in the lymph glands. So go seek medical evaluation and a physical examination by a doctor, soon. ...Read more

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My son has a small pea sized lump 3" below his right armpit its very soft and does not hurt its been 3 wk and he's is 12. He has only mild allergies?

My son has a small pea sized lump 3" below his right armpit its very soft and does not hurt  its been 3 wk and he's is 12. He has only mild allergies?

Hmmm...: It could be a benign lymph node, but if soft, smooth and painless, probably a lipoma, a benign little "tumor" of fat under the skin. They are of no consequence unless they grow big enough to be seen or be in the way, then people often have them removed. If it grows bigger, gets hard, firm tender or red, talk to his doc. ...Read more

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I have a lump under each armpit. One has gotten smaller and the other just showed up.they are painful to touch.they are small pea sized lumps and hard?

I'd Bet It's Sweat: May be small areas of infection.Sweat glands can get irritated or clogged then get bigger & painful. For some people it can become a big recurring problem so best to get it examined if,unlike the other side, it doesn't resolve in a few days.Until then,see if you are sensitive to your deodorant. The topical antibacterial gels with aloe work well but if you sweat a lot you may need something milder. ...Read more

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Small, not quite pea size hard lump underneath right armpit. Does not hurt, does not form visible bump, no color. Had over a year. Cyst, ingrown hair?

Small, not quite pea size hard lump underneath right armpit. Does not hurt, does not form visible bump, no color. Had over a year. Cyst, ingrown hair?

Probably a cyst: Cysts are small, firm bumps under the skin that are filled with keratin. When squeezed, some will produce the keratin which is white, cheesy and sometimes stinky. If it is not causing problems or growing, we tend to leave them alone, but it is important for your doctor to confirm the diagnosis. Sometimes, if it is not clearly a cyst, we can biopsy the spot to be sure. ...Read more

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I have a painful lump below my left armpit and two small pea sized lumps in my left breast that went away 1 month ago but are now back. What are they?

I have a painful lump below my left armpit and two small pea sized lumps in my left breast that went away 1 month ago but are now back. What are they?

Check with Doc: Breast masses are common. Most of the time they are benign. They should always be checked out with your doctor. The evaluation may involve a mammogram and an ultrasound as well as an examination. The findings that you described are commonly associated with cysts and can be affected by caffeine and also by shaving with lymph node changes in the breast or armpit. Cancer usually does not come and go. ...Read more