Read below about rash with bumps or blisters, including causes and common questions. Or get a personalized analysis of your rash with bumps or blisters 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 Rash With Bumps or Blisters

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced rash with bumps or blisters. This list does not constitute medical advice.

  1. 1.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
  2. 2.Non - Specific Dermatitis (Skin Inflammation)

    Dermatitis is the inflammation ("-itis") of the skin ("derma" is a layer of the skin). It can be caused by any number of causes, from allergies to infections to autoimmune issues. Dermatitis of Normal Variation (also called, "NOS") means that all of those other causes of your rash have been ruled out. This is very common.

    1-2 days

    Rarity:
    Common
    Top Symptoms:
    red rash, itchy rash, painful rash
    Symptoms that always occur with non-specific dermatitis (skin inflammation):
    red rash
    Urgency:
    Self-treatment
  3. 3.Non - Specific Skin Rash

    A rash is an area of irritated or swollen skin. Often, rashes are unidentifiable and some variation of normal. For example, scratching one's arm causes it to turn red (which is caused by mast cells releasing chemicals into the local area), but that's completely normal.

    1-2 days

    Rarity:
    Common
    Top Symptoms:
    rash
    Symptoms that always occur with non-specific skin rash:
    rash
    Urgency:
    Wait and watch
  4. 4.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
  5. 5.Benign Skin Growth

    Seborrheic keratosis is a condition that causes wart-like growths on the skin. The growths are benign (not-cancerous) and look like stuck-on plaques.

    Resolves with treatment

    Rarity:
    Common
    Top Symptoms:
    constant skin changes, itchy rash, rash with well-defined border, abdominal skin changes, neck skin changes
    Symptoms that always occur with benign skin growth:
    constant skin changes
    Symptoms that never occur with benign skin growth:
    cherry red lower leg bump
    Urgency:
    Wait and watch

    Rash With Bumps or Blisters Checker

    Take a quiz to find out why you’re having rash with bumps or blisters.

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  6. 6.Irritant Contact Dermatitis

    Contact dermatitis is a condition in which the skin becomes red, sore, or inflamed after direct contact with a substance. This condition most often affects skin of the hands, and may occur after repeated and prolonged exposure to substances such as water, detergents (soaps, bleach), solvents (such as gasoline), acids, powders, dust, and soil. The onset of the skin reaction is usually within 48 hours of coming in contact with the substance.

    1-2 days.

    Rarity:
    Common
    Top Symptoms:
    rash with well-defined border, itchy rash, red or pink, rough patch of skin, painful rash, red rash
    Symptoms that always occur with irritant contact dermatitis:
    rash with well-defined border
    Symptoms that never occur with irritant contact dermatitis:
    fever, black-colored skin changes, brown-colored skin changes, blue-colored skin changes
    Urgency:
    Self-treatment
  7. 7.Hives

    Urticaria are itchy, temporary rashes that rarely become swollen. It is often referred to as "hives."

    1-2 days

    Rarity:
    Common
    Top Symptoms:
    red or pink, rough patch of skin, itchy rash, curved rash, insect bite or sting, hives, red swollen bumps or patches with a pale center
    Symptoms that always occur with hives:
    red or pink, rough patch of skin
    Urgency:
    Self-treatment
  8. 8.Molluscum Contagiosum

    Molluscum Contagiosum is a common viral infection of the skin that usually affects young children, sexually active young adults, and patients with a weakened immune system.

    Typically resolves in 6-9 months

    Rarity:
    Common
    Top Symptoms:
    rash with bumps or blisters, leg skin changes, skin changes on arm, head or neck skin changes, genital skin changes
    Symptoms that never occur with molluscum contagiosum:
    fever, headache
    Urgency:
    Phone call or in-person visit
  9. 9.Seborrheic Dermatitis

    Seborrheic dermatitis is a common chronic inflammatory skin condition that causes flaky, white to yellowish scales to form on oily areas such as the scalp, face or inside the ear. It can occur with or without reddened skin. The exact cause of this condition is not known, although doctors think that some common skin yeast organisms, called Malassezia, may play a role in some people.

    Weeks to months with treatment.

    Rarity:
    Common
    Top Symptoms:
    itchy rash, red or pink, rough patch of skin, rash with well-defined border, scalp skin changes, cheek skin changes
    Symptoms that never occur with seborrheic dermatitis:
    fever
    Urgency:
    Phone call or in-person visit
  10. 10.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

Questions Your Doctor May Ask About Rash With Bumps or Blisters

  • Q.Any fever today or during the last week?
  • Q.What color is the skin change?
  • Q.Is your rash raised or rough when you run your hand over the area of skin?
  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?

If you've answered yes to one or more of these questions, try our rash with bumps or blisters symptom checker to find out more.

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Rash With Bumps or Blisters Symptom Checker Statistics

  • People who have experienced rash with bumps or blisters have also experienced:

    • 5% Bloody Vaginal Discharge
    • 4% Fatigue
    • 4% Vaginal Bleeding
  • People who have experienced rash with bumps or blisters had symptoms persist for:

    • 29% Over a Month
    • 27% Less Than a Week
    • 25% Less Than a Day
  • People who have experienced rash with bumps or blisters were most often matched with:

    • 80% Skin Abscess
    • 20% Non - Specific Dermatitis (Skin Inflammation)
  • 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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