Read below about pink or red arm bump, including causes and common questions. Or get a personalized analysis of your pink or red arm 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 Pink or Red Arm Bump

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

  1. 1.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
  2. 2.Dermatofibroma

    Dermatofibroma (superficial benign fibrous histiocytoma) is a common cutaneous nodule of unknown etiology that occurs more often in women. Dermatofibroma frequently develops on the extremities (mostly the lower legs) and is usually asymptomatic, although pruritus and tenderness can be present

    Resolves with treatment

    Rarity:
    Rare
    Top Symptoms:
    small facial lump, pink or red facial bump, face itch, skin-colored facial bump, painful facial bump
    Urgency:
    Wait and watch
  3. 3.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
  4. 4.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
  5. 5.Basal Cell Carcinoma

    Basal cell carcinoma is a slow-growing form of skin cancer. Skin cancer falls into two major groups: Non-melanoma and melanoma. Basal cell carcinoma is a type of non-melanoma skin cancer.

    Indefinite

    Rarity:
    Uncommon
    Top Symptoms:
    facial skin changes, pink or red facial bump, small facial lump, painless facial bump, growing facial lump
    Urgency:
    Primary care doctor

    Pink or Red Arm Bump Checker

    Take a quiz to find out why you’re having pink or red arm bump.

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  6. 6.Eczema (Atopic Dermatitis)

    Eczema is a form of skin inflammation that causes skin to be dry, itchy, red, and irritated.

    This is a long-term, recurring condition but symptoms are manageable with care.

    Rarity:
    Common
    Top Symptoms:
    trouble sleeping, feeling itchy or tingling all over, dry skin, scalp itchiness, flexor surface rash
    Symptoms that never occur with eczema (atopic dermatitis):
    fever
    Urgency:
    Phone call or in-person visit
  7. 7.Allergic Reaction to Poison Ivy / Oak / Sumac

    Plants of the Toxicodendron genus are found throughout the continental United States, and exposure to these plants is a leading cause of contact dermititis, a medical term used to describe irritation and itching of the skin.

    With treatment, symptoms should resolve from a few days to two weeks.

    Rarity:
    Common
    Top Symptoms:
    rash, itchy rash, red rash, skin changes on arm, stinging or burning rash
    Symptoms that always occur with allergic reaction to poison ivy/oak/sumac:
    itchy rash, rash
    Symptoms that never occur with allergic reaction to poison ivy/oak/sumac:
    fever
    Urgency:
    Self-treatment
  8. 8.Allergic Reaction (Not Life - Threatening)

    When the body encounters a harmful substance, it responds with inflammation and swelling that can be protective. In many individuals, the body responds this way to substances that are not normally harmful, like foods or pollen. This is the basis of allergy, or Type 1 Hypersensitivity.

    Symptoms should resolve in a matter of hours.

    Rarity:
    Common
    Top Symptoms:
    swollen face, swollen lips, lip numbness, hives, red swollen bumps or patches with a pale center, lip redness
    Symptoms that never occur with allergic reaction (not life-threatening):
    shortness of breath, throat itching
    Urgency:
    Primary care doctor
  9. 9.Ringworm (Tinea Corporis)

    Tinea Corporis is a common fungal infection of the skin. This rash is sometimes called "ringworm" and results in ring-shaped redness that is often itchy.

    With treatment, the rash should resolve within 2-3 weeks

    Rarity:
    Common
    Top Symptoms:
    dry skin, rash, red rash, itchy rash, curved rash
    Symptoms that never occur with ringworm (tinea corporis):
    groin skin changes, fever, scrotal itch, groin itch, facial skin changes, hand skin changes, genital skin changes
    Urgency:
    Self-treatment
  10. 10.Solar (Actinic) Keratosis

    Actinic keratosis, also known as solar keratosis, is the most common skin condition caused by sun damage over many years. It appears as small, rough, raised growths that may be hard and warty.

    May go away on its own within a year. Use sunscreen to prevent these if you spend a lot of time outside.

    Rarity:
    Common
    Top Symptoms:
    unchanged face redness, rough skin on the face, thickened skin with a well-defined border
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Pink or Red Arm Bump

  • Q.Do you feel pain when you touch the bump?
  • Q.Any fever today or during the last week?
  • Q.Do you have a rash?
  • Q.Is the bump cherry red?

If you've answered yes to one or more of these questions, try our pink or red arm bump symptom checker to find out more.

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Pink or Red Arm Bump Symptom Checker Statistics

  • People who have experienced pink or red arm bump have also experienced:

    • 13% Pink or Red Forearm Bump
    • 5% Upper Arm Redness
    • 5% Bump on the Bicep or Tricep
  • People who have experienced pink or red arm bump had symptoms persist for:

    • 32% Over a Month
    • 31% Less Than a Week
    • 17% Less Than a Day
  • People who have experienced pink or red arm bump were most often matched with:

    • 50% Pimple
    • 50% Boil (Furuncle)
  • 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

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