Read below about black or brown armpit bump, including causes and common questions. Or get a personalized analysis of your black or brown armpit bump from our A.I. health assistant. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

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A.I. Health Assistant Causes for Black or Brown Armpit Bump

Updated on Aug. 29, 2018

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced black or brown armpit bump. This list does not constitute medical advice.

  1. 1.Enlarged Lymph Nodes in the Armpit

    Enlarged lymph nodes occur when the node becomes larger as it fills with inflammatory cells. This often is a result of an infection but can occur without a known cause.

    Enlarged lymph nodes should go away within a week or two.

    Rarity:
    Common
    Top Symptoms:
    armpit lump, movable armpit lump
    Symptoms that always occur with enlarged lymph nodes in the armpit:
    armpit lump
    Symptoms that never occur with enlarged lymph nodes in the armpit:
    fever, unintentional weight loss, hard lump in the armpit
    Urgency:
    Phone call or in-person visit
  2. 2.Skin Abscess

    A skin abscess is an infection of the deeper skin that's typically due to bacteria seen on the skin. Recently, infections are more frequently caused by Staph. Aureus (puts the "staph" in "staph infections"), which is dangerous and requires treatment.

    Good prognosis with treatment

    Rarity:
    Common
    Top Symptoms:
    rash with bumps or blisters, red rash, red skin bump larger than 1/2 cm in diameter, pus-filled rash, rash
    Symptoms that always occur with skin abscess:
    rash with bumps or blisters
    Urgency:
    Primary care doctor

    Black or Brown Armpit Bump Checker

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  3. 3.Blackhead

    Blackheads are caused by hair follicles becoming clogged with oil & dead skin cells. When the clogged pore is open to the air, the air turns the outermost layer black through oxidation.

    Blackheads should go away within the next 3-4 days

    Rarity:
    Common
    Top Symptoms:
    small facial lump, black or brown facial bump
    Symptoms that always occur with blackhead:
    small facial lump, black or brown facial bump
    Urgency:
    Self-treatment
  4. 4.Atypical Mole

    Moles are growths on the skin. They happen when pigment cells in the skin, called melanocytes, grow in clusters. Certain moles are considered "atypical" because of their size and characteristics, which require careful watching and possibly even biopsy in order to monitor for development into cancer.

    Indefinite

    Rarity:
    Uncommon
    Top Symptoms:
    severe abdominal lump, brown-colored skin changes, moderate abdominal lump, atypical abdominal bump features, growing abdominal bump
    Symptoms that always occur with atypical mole:
    black or brown abdominal bump, atypical abdominal bump features
    Urgency:
    Primary care doctor
  5. 5.Mole in the Armpit

    Moles are growths on the skin. They happen when pigment cells in the skin, called melanocytes, grow in clusters.

    Indefinite

    Rarity:
    Uncommon
    Top Symptoms:
    constant armpit lump, black or brown armpit bump, small armpit lump, black or brown armpit bump with smooth border, uniformly black or brown armpit bump
    Symptoms that always occur with mole in the armpit:
    constant armpit lump, black or brown armpit bump
    Urgency:
    Wait and watch

Questions Your Doctor May Ask About Black or Brown Armpit Bump

  • Q.Is the border of the bump round or are there jagged edges?
  • Q.Any fever today or during the last week?
  • Q.Is the bump a single shade of black or brown or a mix?
  • Q.Do you have a rash?

If you've answered yes to one or more of these questions, try our black or brown armpit bump symptom checker to find out more.

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Black or Brown Armpit Bump Symptom Checker Statistics

  • People who have experienced black or brown armpit bump have also experienced:

    • 18% Painful Armpit Lump
    • 9% Armpit Pain
    • 3% Scaly Armpit Bump
  • People who have experienced black or brown armpit bump had symptoms persist for:

    • 43% Less Than a Week
    • 21% Over a Month
    • 13% Less Than a Day
  • People who have experienced black or brown armpit bump were most often matched with:

    • 57% Skin Abscess
    • 28% Enlarged Lymph Nodes in the Armpit
    • 14% Blackhead
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

A.I. Health Assistant

Take a quiz to find out why you’re having black or brown armpit bump

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