Read below about spontaneous forearm pain, including causes and common questions. Or get a personalized analysis of your spontaneous forearm pain 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.

This symptom can also be referred to as:
Forearm hurts for no reason

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6 Potential Spontaneous Forearm Pain 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.Non - Specific Forearm Pain

    Forearm pain can be caused by a host of things, but is often idiopathic (without cause).

    1-2 days

    Rarity:
    Uncommon
    Top Symptoms:
    pain in one forearm, spontaneous forearm pain
    Symptoms that always occur with non-specific forearm pain:
    spontaneous forearm pain, pain in one forearm
    Urgency:
    Self-treatment
  2. 2.Thoracic Outlet Syndrome

    Thoracic Outlet Syndrome is the compression of the nerves and/or blood vessels that run through the upper chest. It can occur as a result of trauma, surgery, growths in the body, or just randomly.

    Resolves with treatment (30% relapse)

    Rarity:
    Rare
    Top Symptoms:
    pain in one shoulder, spontaneous shoulder pain, arm weakness, arm numbness, pain in one shoulder blade
    Urgency:
    Primary care doctor
  3. 3.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

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  4. 4.Chronic 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:
    spontaneous forearm pain, moderate fever, warm and red forearm swelling, painful surgical site
    Symptoms that always occur with chronic forearm bone infection (osteomyelitis):
    spontaneous forearm pain
    Urgency:
    Hospital emergency room
  5. 5.Osteoid Osteoma

    An osteoid osteoma is a benign (non-cancerous) tumor that usually develops in the long bones of the legs. The thigh bone (femur) is affected most commonly, although the bones of the hand or the spine can have occasional involvement. This condition is most often found in young people.

    Good prognosis, 90% chance that the condition will not come back. A short recovery time after surgery is expected.

    Rarity:
    Rare
    Top Symptoms:
    lower back pain, upper back pain, spontaneous back pain, back pain that shoots to the butt, severe back pain
    Symptoms that never occur with osteoid osteoma:
    hip pain, bilateral leg swelling, weakness in both arms, weakness of both legs
    Urgency:
    Primary care doctor
  6. 6.Ewing Sarcoma

    Ewing sarcoma is a type of bone cancer often affecting the legs, pelvis, ribs, arms or spine. It can occur anytime during childhood and young adulthood; it is rarely seen in adults.

    Curable with total treatment lasting 8-12 months

    Rarity:
    Rare
    Top Symptoms:
    fatigue, loss of appetite, new headache, fever, rib pain
    Urgency:
    Primary care doctor

Questions Your Doctor May Ask About Spontaneous Forearm Pain

  • Q.Where exactly is your hand pain?
  • Q.Have someone feel for your pulse (at the wrist) on the side of your body that hurts. Now, turn your head to that side. Does the pulse go away? (This is known as the Adson's test.)
  • Q.Any fever today or during the last week?
  • Q.Do you notice your heart beating hard, rapidly, or irregularly (also called palpitations)?

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

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Spontaneous Forearm Pain Symptom Checker Statistics

  • People who have experienced spontaneous forearm pain have also experienced:

    • 33% Cold Fingers
    • 33% Pain in One Arm
    • 33% Hand Numbness
  • People who have experienced spontaneous forearm pain had symptoms persist for:

    • 29% Over a Month
    • 25% Less Than a Day
    • 25% Less Than a Week
  • 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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