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Learn about your blister, including causes and common questions. Or get a personalized analysis of your blister from our A.I. Symptom Checker. At Buoy, we build tools that help you know what’s wrong right now and how to get the right care.

Your Blister May Also be Known as:
Large fluid filled bump
Rash with fluid

Top 5 Blister Causes

  1. 1.Shingles (Herpes Zoster)

    Shingles (herpes zoster) is a disease caused by the varicella-zoster virus - the same virus that causes chickenpox. Early signs of shingles include burning or shooting pain and tingling or itching, usually on one side of the body or face. Rashes or blisters appear anywhere from one to 14 days later. If shingles appears on the face, it may affect vision or hearing.

    You should go to a retail clinic or your primary care physician to be treated for shingles. Most common treatments involve pain killers and prescription antiviral medicines.

    Rarity:
    Common
    Top Symptoms:
    fatigue, dizziness, diarrhea, headache, weight loss
    Symptoms that always occur with shingles (herpes zoster):
    grouped rash, rash
    Urgency:
    Primary care doctor
  2. 2.Skin Infection (Cellulitis)

    Cellulitis is a common and possibly dangerous skin infection if left untreated. It is typically caused by bacteria living on the skin getting into the skin itself.

    You should visit your primary care physician within the next 24 hours to examine the infection and possibly provide antibiotics.

    Rarity:
    Uncommon
    Top Symptoms:
    moderate fever, painful rash, feeling confused and not making sense while talking, red rash, abnormally high heartrate
    Symptoms that always occur with skin infection (cellulitis):
    red rash, painful rash
    Urgency:
    Primary care doctor

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  3. 3.Necrotizing Fasciitis of the Groin

    Necrotizing fasciitis is a potentially life threatening skin condition stemming from the infection of a wound or injury. If left untreated, it can spread to body parts surrounding the infection changing the color of the skin and degrading the tissue underneath. This can result in muscle, tissue or limb loss and a severe body-wide response to the infection.

    You should visit your local emergency room where blood tests can be run and a consultation can be made by a skin specialist. If caught early, antibiotics, cleaning, and a stay in the hospital can help control the infection. If serious, additionally procedures may be required. It is important to get treatment due to the possibility of this becoming a serious, life-threatening condition.

    Rarity:
    Rare
    Top Symptoms:
    nausea, vomiting, fever, diarrhea, chills
    Symptoms that always occur with necrotizing fasciitis of the groin:
    skin changes of the groin or genitalia
    Urgency:
    Hospital emergency room
  4. 4.Necrotizing Fasciitis of the Leg

    Necrotizing fasciitis is a potentially life threatening skin condition stemming from the infection of a wound or injury. If left untreated, it can spread to body parts surrounding the infection changing the color of the skin and degrading the tissue underneath. This can result in muscle, tissue or limb loss and a severe body-wide response to the infection.

    You should visit your local emergency room where blood tests can be run and a consultation can be made by a skin specialist. If caught early, antibiotics, cleaning, and a stay in the hospital can help control the infection. If serious, additionally procedures may be required. It is important to get treatment due to the possibility of this becoming a serious, life-threatening condition.

    Rarity:
    Rare
    Top Symptoms:
    nausea, vomiting, fever, diarrhea, chills
    Symptoms that always occur with necrotizing fasciitis of the leg:
    leg skin changes
    Urgency:
    Hospital emergency room
  5. 5.Necrotizing Fasciitis of the Arm

    Necrotizing fasciitis is a potentially life threatening skin condition stemming from the infection of a wound or injury. If left untreated, it can spread to body parts surrounding the infection changing the color of the skin and degrading the tissue underneath. This can result in muscle, tissue or limb loss and a severe body-wide response to the infection.

    You should visit your local emergency room where blood tests can be run and a consultation can be made by a skin specialist. If caught early, antibiotics, cleaning, and a stay in the hospital can help control the infection. If serious, additionally procedures may be required. It is important to get treatment due to the possibility of this becoming a serious, life-threatening condition.

    Rarity:
    Rare
    Top Symptoms:
    nausea, vomiting, fever, diarrhea, chills
    Symptoms that always occur with necrotizing fasciitis of the arm:
    skin changes on arm
    Urgency:
    Hospital emergency room

Questions Your Doctor May Ask About Blister

  • Q.Any fever today or during the last week?
  • Q.Have you been feeling more tired than usual, lethargic or fatigued despite sleeping a normal amount?
  • Q.Is your rash:
  • Q.Have you ever been diagnosed with diabetes?

If you've answered yes to one or more of these questions, check our blister symptom checker.

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Blister Symptom Checker Statistics

  • People who have experienced blister have also experienced:

    • 12% Swelling of the Eye Area
    • 12% Fatigue
    • 6% Fever
  • People who have experienced blister had symptoms persist for:

    • 35% Less Than a Day
    • 25% Over a Month
    • 23% Less Than a Week

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Check my blister symptoms

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