Read below about forearm itch, including causes and common questions. Or get a personalized analysis of your forearm itch 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 Forearm Itch 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.Insect Bite on the Arm

    Insect bites are a common occurrence. Despite the discomfort they cause, most bites are harmless and will resolve on their own.

    Within a week or two.

    Rarity:
    Common
    Top Symptoms:
    swollen forearm, mild forearm pain, forearm bump, forearm redness, forearm itch
    Symptoms that never occur with insect bite on the arm:
    fever, worsening forearm redness, severe forearm pain, high-pitched breathing, wheezing, racing heart beat
    Urgency:
    Self-treatment

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  2. 2.Allergic Contact Dermatitis of the Arm

    Allergic contact dermatitis is a condition in which the skin becomes irritated and inflamed following physical contact with an allergen. Common products known to cause allergic dermatitis include plants, metals, soap, fragrance, and cosmetics.

    1-2 days

    Rarity:
    Common
    Top Symptoms:
    forearm redness, forearm itch, scabbed area of the forearm
    Symptoms that always occur with allergic contact dermatitis of the arm:
    forearm redness
    Urgency:
    Self-treatment
  3. 3.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:
    skin-colored forearm bump, small forearm lump, painful forearm lump, marble sized forearm lump, forearm itch
    Urgency:
    Wait and watch

Questions Your Doctor May Ask About Forearm Itch

  • Q.About your [forearm], do you notice:
  • Q.Any fever today or during the last week?
  • Q.Do you notice your heart beating hard, rapidly, or irregularly (also called palpitations)?
  • Q.Did you possibly brush into poison ivy, poison oak, or poison sumac?

If you've answered yes to one or more of these questions, try our forearm itch symptom checker to find out more.

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Forearm Itch Symptom Checker Statistics

  • People who have experienced forearm itch have also experienced:

    • 15% Upper Arm Itch
    • 9% Wrist Itch
    • 6% Hand Itch
  • People who have experienced forearm itch had symptoms persist for:

    • 30% Over a Month
    • 24% Less Than a Day
    • 23% Less Than a Week
  • People who have experienced forearm itch were most often matched with:

    • 33% Insect Bite on the Arm
    • 29% Dermatofibroma
    • 18% Allergic Contact Dermatitis of the Arm
  • 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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