Read below about lump behind the ear, including causes and common questions. Or get a personalized analysis of your lump behind the ear 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 Lump Behind the Ear

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced lump behind the ear. This list does not constitute medical advice.

  1. 1.Skin Cyst

    An epidermoid cyst is a closed sac under the skin filled with a cheese-like or oily material. It is caused by trauma or surgery.

    Resolves with treatment

    Rarity:
    Common
    Top Symptoms:
    skin-colored armpit bump, marble sized armpit lump, small armpit lump
    Symptoms that always occur with skin cyst:
    skin-colored armpit bump
    Urgency:
    Wait and watch
  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
  3. 3.Lipoma

    A lipoma is a noncancerous growth of fatty tissue cells. A lipoma can develop in almost any organ of the body although they are most commonly found in the subcutaneous layer just below the skin.

    Resolves with treatment

    Rarity:
    Uncommon
    Top Symptoms:
    skin-colored groin bump, marble sized groin lump, small groin lump
    Symptoms that always occur with lipoma:
    skin-colored groin bump
    Urgency:
    Wait and watch

    Lump Behind the Ear Checker

    Take a quiz to find out why you’re having lump behind the ear.

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  4. 4.Boil (Furuncle)

    Boils are infections of a hair follicle that creates a small pocket of inflammation full of pus. It's typically caused by a common bacteria called S. Aureus.

    5-10 days

    Rarity:
    Uncommon
    Top Symptoms:
    pink or red facial bump, small facial lump, painful facial bump, marble sized facial lump, constant skin changes
    Symptoms that always occur with boil (furuncle):
    pink or red facial bump
    Symptoms that never occur with boil (furuncle):
    fever
    Urgency:
    Self-treatment
  5. 5.Pimple

    Acne, also known as pimples, occurs when hair follicles become clogged with oil & dead skin cells. Acne is extremely common and ranges from mild to severe.

    The severity of the acne dictates treatment-type and duration. With proper treatment, acne should resolve in weeks to months. In some cases, acne is a long-term condition.

    Rarity:
    Common
    Top Symptoms:
    pink or red facial bump, small facial lump, painful facial bump, marble sized facial lump
    Symptoms that always occur with pimple:
    pink or red facial bump
    Urgency:
    Self-treatment
  6. 6.Wart

    Warts are non-serious skin growths caused by a virus that infects the top layer of the skin. They are contagious. Thus, warts on the face are often spread there by the hands, and vice versa.

    78% go away in 2 years

    Rarity:
    Common
    Top Symptoms:
    small facial lump, painless facial bump, skin-colored facial bump, scaly facial bump
    Symptoms that never occur with wart:
    headache
    Urgency:
    Self-treatment

Questions Your Doctor May Ask About Lump Behind the Ear

  • Q.What color is the bump?
  • Q.Is your ear bump painful to the touch?
  • Q.Is there something on the surface of the bump?
  • Q.Any fever today or during the last week?

If you've answered yes to one or more of these questions, try our lump behind the ear symptom checker to find out more.

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Lump Behind the Ear Symptom Checker Statistics

  • People who have experienced lump behind the ear have also experienced:

    • 16% Pain Behind the Ear
    • 5% Headache
    • 4% Neck Bump
  • People who have experienced lump behind the ear had symptoms persist for:

    • 42% Less Than a Week
    • 21% Less Than a Day
    • 19% Over a Month
  • People who have experienced lump behind the ear were most often matched with:

    • 100% Skin Abscess
  • 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 lump behind the ear

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