Read below about skin changes on arm, including causes and common questions. Or get a personalized analysis of your skin changes on arm 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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3 Potential Skin Changes on Arm Causes

Disclaimer: The article does not replace an evaluation by a physician. Information on this page is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes.

  1. 1.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

    Skin Changes on Arm Checker

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  2. 2.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
  3. 3.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.

    1-6 weeks.

    Rarity:
    Rare
    Top Symptoms:
    nausea, diarrhea, vomiting, fever, 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 Skin Changes on Arm

  • Q.Is the bump filled with a fluid, like pus, blood, or water, or is it solid?
  • Q.Does the rash have a clearly defined border?
  • Q.Is the area of skin swollen?
  • Q.Before the rash appeared on your skin, did the area feel painful, itchy, or numb?

If you've answered yes to one or more of these questions, try our skin changes on arm symptom checker to find out more.

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Skin Changes on Arm Symptom Checker Statistics

  • People who have experienced skin changes on arm have also experienced:

    • 66% Rash With Bumps or Blisters
    • 33% Feeling Itchy or Tingling All Over
  • People who have experienced skin changes on arm had symptoms persist for:

    • 29% Over a Month
    • 27% Less Than a Week
    • 25% Less Than a Day
  • Source: Aggregated and anonymized results from visits to the Buoy AI health assistant (check it out by clicking on “Take Quiz”).

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