Read below about swelling of one forearm, including causes and common questions. Or get a personalized analysis of your swelling of one forearm 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 Swelling of One Forearm

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

  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
  2. 2.Cellulitis

    Facial cellulitis is a skin infection that typically comes from other parts of the face like the mouth or the sinuses and needs antibiotic treatment. Symptoms can be pain, redness, warmth and swelling of the affected area.

    Dependent on severity of infection

    Rarity:
    Uncommon
    Top Symptoms:
    fever, chills, facial redness, swollen face, face pain
    Symptoms that always occur with cellulitis:
    facial redness, area of skin redness
    Urgency:
    Primary care doctor

    Swelling of One Forearm Checker

    Take a quiz to find out why you’re having swelling of one forearm.

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  3. 3.Bruised Forearm

    A bruise is the damage of the blood vessels that return blood to the heart (the capillaries and veins), which causes pooling of the blood. This explains the blue/purple color of most bruises. Bruises of the forearm are common, often due to minor injuries.

    Bruises begin to heal within one week.

    Rarity:
    Uncommon
    Top Symptoms:
    constant forearm pain, pain in one forearm, forearm pain from an injury, forearm bruise, swelling of one forearm
    Symptoms that always occur with bruised forearm:
    forearm pain from an injury, constant forearm pain
    Urgency:
    Self-treatment
  4. 4.Buckle Fracture of Distal Radius

    A buckle fracture of the wrist, also known as a torus fracture, is a condition that are most common in children aged 5-10 years due to the elasticity of their bones. This fracture occurs when force is applied to the radius (one of the two bones of the forearm), causing the bone to split along the growth plate.

    3 weeks in a cast, no need for follow up.

    Rarity:
    Common
    Top Symptoms:
    constant forearm pain, forearm pain from an injury, pain in one forearm, swollen forearm, wrist injury
    Symptoms that always occur with buckle fracture of distal radius:
    forearm pain from an injury, constant forearm pain
    Urgency:
    Primary care doctor
  5. 5.Acute Forearm Bone Infection (Osteomyelitis)

    Osteomyelitis of the forearm is a bacterial or fungal infection of the bone, typically caused by Staph Aureus (40-50% of the time). It is difficult to diagnose as the infection can come from a break in the skin at the area or anywhere else in the body that spreads by blood.

    Improvement during a 6-week treatment with antibiotics

    Rarity:
    Rare
    Top Symptoms:
    moderate fever, spontaneous forearm pain, constant forearm pain, warm and red forearm swelling, painful surgical site
    Symptoms that always occur with acute forearm bone infection (osteomyelitis):
    spontaneous forearm pain, constant forearm pain
    Urgency:
    Hospital emergency room

Questions Your Doctor May Ask About Swelling of One Forearm

  • Q.Any fever today or during the last week?
  • Q.Do you notice your heart beating hard, rapidly, or irregularly (also called palpitations)?
  • Q.Is your swollen area warm and red?
  • Q.How would you explain your forearm pain?

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

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Swelling of One Forearm Symptom Checker Statistics

  • People who have experienced swelling of one forearm have also experienced:

    • 16% Pain in One Forearm
    • 11% Forearm Pain
    • 4% Swelling of One Hand
  • People who have experienced swelling of one forearm had symptoms persist for:

    • 36% Less Than a Week
    • 33% Less Than a Day
    • 16% Over a Month
  • People who have experienced swelling of one forearm were most often matched with:

    • 66% Cellulitis
    • 16% Insect Bite on the Arm
    • 16% Bruised Forearm
  • 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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