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Doctor insights on: What Does Pain Under Your Armpit Mean

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What does pain under your armpit mean?

What does pain under your armpit mean?

Underarm Pain: The area under the arm is rich in sweat glands. Increased pain in this area may be due to blocked sweat glands causing a cyst. Any pain or swelling under the arm should be checked by your doctor. ...Read more

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Dr. Bennett Machanic
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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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What type of breast cancer that cause the breast to swell and cause under the armpit to have a painful lump? And does that mean the cancer has spread

What type of breast cancer that cause the breast to swell and cause under the armpit to have a painful lump? And does that mean the cancer has spread

Possibly IBC: Inflammatory breast cancer occurs suddenly with breast pain, redness, or swelling. It is very fast-growing and spreads quickly. It looks like an infection, so doctors often try antibiotics first, delaying diagnosis. However, infection is also a possibility. See a doctor immediately for these symptoms. If it is cancer, your symptoms don't mean it has spread. But you need a biopsy of any lump! ...Read more

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Dr. Bennett Machanic
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46 years in practice
44M people helped
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Managing Neck Pain (Checklist)

Use pain medication as directed
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Avoid fast movements
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See your doctor if your neck pain hasn't improved in 1 week
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I got a hard bump on the back of my thigh few weeks back, it was painful and caused pain when i walked. Just got one under my armpit now. Bad?

Hard to say: I would be concerned about skin infections or cysts, especially if no clear injury would explain a lump. Other things that can cause swelling especially under the arms are lymph nodes which can swell from other areas that a irritated. Since you have had two, best to get checked out as some serious infections or problems can cause swellings. ...Read more

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Managing Knee Pain (Checklist)

Try to determine the cause
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Write down severity, duration, location (front/back of knee, etc.)
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If swollen, ice the knee with a bag of ice, bag of frozen peas, etc.
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See a doctor
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Managing Pain from Cancer (Checklist)

Ask oncologist to refer you to cancer pain specialist
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Ask pain specialist about both interventional and medication options
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If pancreatic cancer, ask about a celiac plexus block
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If neuropathy, request trial of ketamine-based topical creams
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Bump under left armpit, red/brown/bruised sometimes painful, and hard, the center of it peels sometimes but hurts to pull the skin off. Cancerous?

Bump under left armpit, red/brown/bruised sometimes painful, and hard, the center of it peels sometimes but hurts to pull the skin off. Cancerous?

Unlikely. Abscess?: What you describe is very typical of an abscess. Cancer at that location is super-duper rare in teenagers. If it hurts, it's probably an abscess. Good idea to have it looked at. ...Read more

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Dr. Bennett Machanic
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