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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A.I. Health Assistant Causes for Forearm Itch

The list below shows results from the use of our A.I. Health Assistant by Buoy users who experienced forearm itch. This list does not constitute medical advice.

  1. 1.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
  2. 2.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
  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:
    small facial lump, pink or red facial bump, face itch, skin-colored facial bump, painful facial bump
    Urgency:
    Wait and watch
  4. 4.Non - Specific Forearm 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:
    forearm redness
    Symptoms that always occur with non-specific forearm rash:
    forearm redness
    Symptoms that never occur with non-specific forearm rash:
    fever
    Urgency:
    Wait and watch

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  5. 5.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
  6. 6.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
  7. 7.Mosquito Bite

    Mosquito bites are very common. They often cause itchiness and redness.

    Usually clears up within a week.

    Rarity:
    Common
    Top Symptoms:
    mosquito bite
    Symptoms that always occur with mosquito bite:
    mosquito bite
    Symptoms that never occur with mosquito bite:
    fever, muscle aches, vomiting, loss of appetite
    Urgency:
    Self-treatment
  8. 8.Normal Episode of Itchy Skin

    Itchiness is an unpleasant feeling that makes you want to scratch. It is found as a part of many diagnoses, but it can also appear on its own without a particular cause, which is the case in this diagnosis.

    This should get better on its own relatively quickly

    Rarity:
    Common
    Top Symptoms:
    feeling itchy or tingling all over
    Symptoms that always occur with normal episode of itchy skin:
    feeling itchy or tingling all over
    Urgency:
    Self-treatment

Questions Your Doctor May Ask About Forearm Itch

  • Q.Do you notice your heart beating hard, rapidly, or irregularly (also called palpitations)?
  • Q.Any fever today or during the last week?
  • Q.Do you have a rash?
  • Q.Is the red area flaky or rough to the touch?

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:

    • 14% 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
    • 22% Less Than a Week
  • People who have experienced forearm itch were most often matched with:

    • 50% Allergic Contact Dermatitis of the Arm
    • 50% Insect Bite on 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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