Painful Lump under armpit: Common Causes, Diagnosis, and Treatments

Before we delve into the damp underworld of the armpit, let us take a moment of appreciation. It’s home to key components of the lymphatic system that rids our body of toxins. It regulates our temperature and cools us when we overheat. It makes hilarious fart noises. We should be thankful for the armpit!

Most sickness of the armpit can be prevented with cleanliness and routine healthcare. Make sure you are frequently washing with fragrance-free soap and filtered water. If you have sensitive skin, avoid using solvents, deodorants, or antiperspirants with harsh ingredients.

Causes of a Lump Under Armpit

Armpits are an uncredited part of the body we are slathering with deodorant and hiding.

Causes of a lump under the armpit are usually moderate like:

  • Ingrown hair
  • Razor burn from shaving
  • Skin tag
  • Limpomas (a fatty tissue buildup that is benign).
  • Fibroadenoma (non-cancerous fibrous tumor)
  • Rash
  • Fungal infection
  • Occasionally, a lump under the arm points to more serious issues like:
  • Lymphoma
  • Breast Cancer
  • Leukemia

The location of the lump can make activity uncomfortable so it is best to take action as soon as you notice it.

Pictures of Painful Lump in Armpit

The size, shape, and density of the spot help identify the source. Please click through to see a slideshow of pictures of others’ painful lump in the armpit with accompanying explanations.

Armed with more knowledge when you walk into the doctor’s office will ease your nervousness about impending diagnosis.

What Does it Mean if Small Lump Under Armpit is Painful?

Like the list above, it could mean a variety of ramifications. A small lump under the armpit that is painful could be just be irritated. The pain level of the lump isn’t necessarily an indicator of severity related to terminal illness diagnosis. What is more important is the texture and density.

Differences Between Soft Lump and Hard Painful Lump Under Armpit

Certain ailments will produce different results in the armpit and lymph nodes. For example:

A soft lump is more regularly associated with allergic reactions, fatty growths, benign cysts, and infections.

A hard painful lump is associated with fibroadenomas (see above) and cancerous tumors. A hard bulge that doesn’t want to move could indicate a cancerous tumor.

Large Lump Near Armpit in Male and Female

Is gender a contributory factor to diagnosis? Certain illnesses are more prevalent in female patients like breast cancer, but male individuals can sport a large lump near the armpit too.

Because of the higher risk of breast cancer, women should execute habitual breast exams that include under the arm. Once a month is the counseled schedule. Advice for that manner:

  • Do it in the shower. You are naked anyway.
  • Run fingers in a circular motion from the exterior of the boob towards the center. Note if you sense any lumps.
  • Stand in front of a mirror for a visual check. Lift your arms towards the sky and glimpse for deformities. Do your nipples look normal? Is there any dimpling or puckering?
  • Lie down. This pushes the breast tissue against the chest muscles to reveal more. Make circular motions across the breasts and into the armpit.

If you are a maturing woman (over the age of 45) you will want to get mammograms every year. The test will detect lumps that are deep or aren’t available to feel.

Women are also more prone to a condition called hidradenitis suppurativa. It is a chronic condition that clogs pores and hair follicles resulting in painful bumps, cysts, and boils. The underarms are at high risk for these infections to occur because of the sweat glands and moisture.

Treatment for Lump that Hurts

Because the list of potential diagnosis is so expansive, the game plan will vary from person to person.

To determine treatment, the course of the examination will probably go something like this:

  • Palpation. A fancy word for feeling the lump. Most exams will end here as the physician notices the lump is benign. If it actuates an idea of seriousness, measures will progress.
  • Blood test. This will check for red and white blood cell counts, platelets, and infections. If disease is caught in the blood samples then a course of medication like antibiotics or steroids is prescribed.
  • Biopsy. If the doctor is suspicious of cancer, a dwarfish sample of tissue will be removed to screen.

Removing Swollen Painful Lump

Beyond the biopsy, surgical options are available. If the results of the test come back positive for cancer, you will definitely undergo the knife.

But the swollen painful lump doesn’t have to be cancer to require removal. Removing the tumor, even if it is benign, may be advisable for pain relief. This is especially true if the cyst is obstructing motion. Most removal surgeries are outpatient procedures with minimal recovery time.



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